Duffield; William E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duffield; William E..The latest application filed is for "spinous process fusion devices and methods thereof".
Company Profile
8.37.33
- Duffield; William E. - Collegeville PA
- Duffield; William E - Collegeville PA
- Duffield; William E. - Collegville PA US
Patent Activity
| Patent | Date |
|---|---|
| Spinous process fusion devices and methods thereof Grant 11,399,875 - Zappacosta , et al. August 2, 2 | 2022-08-02 |
| Spinous Process Fusion Devices And Methods Thereof App 20200315670 - Zappacosta; Jason ; et al. | 2020-10-08 |
| Spinous process fusion devices and methods thereof Grant 10,722,277 - Zappacosta , et al. | 2020-07-28 |
| Laminoplasty Fixation Devices App 20200155204 - Millhouse; Paul W. ; et al. | 2020-05-21 |
| Intervertebral fusion implant Grant 10,575,960 - Duffield , et al. | 2020-03-03 |
| Laminoplasty fixation devices Grant 10,568,665 - Millhouse , et al. Feb | 2020-02-25 |
| Spinous Process Fusion Devices And Methods Thereof App 20190142479 - Zappacosta; Jason ; et al. | 2019-05-16 |
| Spinous process fusion devices and methods thereof Grant 10,213,235 - Zappacosta , et al. Feb | 2019-02-26 |
| Anterior Prosthetic Spinal Disc Replacement App 20190021869 - Paul; David C. ; et al. | 2019-01-24 |
| Anterior prosthetic spinal disc replacement Grant 10,105,233 - Paul , et al. October 23, 2 | 2018-10-23 |
| Spinous process fusion devices Grant 10,085,777 - Ingalhalikar , et al. October 2, 2 | 2018-10-02 |
| Intervertebral fusion implant Grant 9,987,141 - Duffield , et al. June 5, 2 | 2018-06-05 |
| Intervertebral fusion implant Grant 9,925,064 - Duffield , et al. March 27, 2 | 2018-03-27 |
| Intervertebral fusion implant Grant 9,833,333 - Duffield , et al. December 5, 2 | 2017-12-05 |
| Spinous Process Fusion Devices And Methods Thereof App 20170311993 - Zappacosta; Jason ; et al. | 2017-11-02 |
| Spinous process fusion devices and methods thereof Grant 9,681,898 - Zappacosta , et al. June 20, 2 | 2017-06-20 |
| Spinous process fusion devices Grant 9,675,388 - Boyer, II , et al. June 13, 2 | 2017-06-13 |
| Intervertebral fusion implant Grant 9,675,467 - Duffield , et al. June 13, 2 | 2017-06-13 |
| Intervertebral Fusion Implant App 20170156883 - Duffield; William E. ; et al. | 2017-06-08 |
| Spinous Process Fusion Devices App 20170143383 - Ingalhalikar; Aditya ; et al. | 2017-05-25 |
| Intervertebral fusion implant Grant 9,615,936 - Duffield , et al. April 11, 2 | 2017-04-11 |
| Spinous process fusion devices Grant 9,592,082 - Ingalhalikar , et al. March 14, 2 | 2017-03-14 |
| Intervertebral Fusion Implant App 20170056202 - Duffield; William E. ; et al. | 2017-03-02 |
| Laminoplasty Fixation Devices App 20170020580 - Millhouse; Paul W. ; et al. | 2017-01-26 |
| Laminoplasty fixation devices Grant 9,486,253 - Millhouse , et al. November 8, 2 | 2016-11-08 |
| Intervertebral Fusion Implant App 20160250037 - Duffield; William E. ; et al. | 2016-09-01 |
| Intervertebral Fusion Implant App 20160242930 - Duffield; William E. ; et al. | 2016-08-25 |
| Spinous process fusion devices Grant 9,402,656 - Ingalhalikar , et al. August 2, 2 | 2016-08-02 |
| Intervertebral fusion implant Grant 9,364,343 - Duffield , et al. June 14, 2 | 2016-06-14 |
| Intervertebral fusion implant Grant 9,358,127 - Duffield , et al. June 7, 2 | 2016-06-07 |
| Anterior Prosthetic Spinal Disc Replacement App 20160058567 - Paul; David C. ; et al. | 2016-03-03 |
| Spinous Process Fusion Devices App 20160022326 - Boyer, II; Michael L ; et al. | 2016-01-28 |
| Anterior prosthetic spinal disc replacement Grant 9,179,925 - Paul , et al. November 10, 2 | 2015-11-10 |
| Spinous process fusion devices Grant 9,179,944 - Boyer, II , et al. November 10, 2 | 2015-11-10 |
| Laminoplasty Fixation Devices App 20150080950 - Millhouse; Paul W. ; et al. | 2015-03-19 |
| Spinous Process Fusion Devices App 20150066087 - Ingalhalikar; Aditya ; et al. | 2015-03-05 |
| Intervertebral Fusion Implant App 20150051704 - Duffield; William E. ; et al. | 2015-02-19 |
| Spinous Process Fusion Devices and Methods Thereof App 20150018887 - Zappacosta; Jason ; et al. | 2015-01-15 |
| Laminoplasty fixaction devices Grant 8,926,664 - Millhouse , et al. January 6, 2 | 2015-01-06 |
| Spinous process fusion devices and methods thereof Grant 8,876,866 - Zappacosta , et al. November 4, 2 | 2014-11-04 |
| Intervertebral Fusion Implant App 20140194994 - Duffield; William E. ; et al. | 2014-07-10 |
| Intervertebral Fusion Implant App 20140142705 - Duffield; William E. ; et al. | 2014-05-22 |
| Intervertebral fusion implant Grant 8,709,083 - Duffield , et al. April 29, 2 | 2014-04-29 |
| Intervertebral fusion implant Grant 8,641,768 - Duffield , et al. February 4, 2 | 2014-02-04 |
| Intervertebral Fusion Implant App 20130060339 - Duffield; William E. ; et al. | 2013-03-07 |
| Intervertebral fusion implant Grant 8,328,872 - Duffield , et al. December 11, 2 | 2012-12-11 |
| Spinous Process Fusion Devices App 20120221050 - Ingalhalikar; Aditya ; et al. | 2012-08-30 |
| Anterior Prosthetic Spinal Disc Replacement App 20120197406 - Paul; David C. ; et al. | 2012-08-02 |
| Spinous Process Fusion Devices and Methods Thereof App 20120150228 - Zappacosta; Jason ; et al. | 2012-06-14 |
| Intervertebral Fusion Implant App 20120130495 - Duffield; William E. ; et al. | 2012-05-24 |
| Intervertebral Fusion Implant App 20120130496 - Duffield; William E. ; et al. | 2012-05-24 |
| Anterior prosthetic spinal disc replacement Grant 8,167,948 - Paul , et al. May 1, 2 | 2012-05-01 |
| Spinous Process Fusion Devices App 20110066186 - Boyer, II; Michael Lee ; et al. | 2011-03-17 |
| Posterior prosthetic spinal disc replacement and methods thereof Grant 7,892,262 - Rhoda , et al. February 22, 2 | 2011-02-22 |
| Intervertebral Fusion Implant App 20100312345 - Duffield; William E. ; et al. | 2010-12-09 |
| Intervertebral fusion implant Grant D623,750 - Duffield , et al. September 14, 2 | 2010-09-14 |
| Intervertebral Fusion Implant App 20100057206 - Duffield; William E. ; et al. | 2010-03-04 |
| Posterior prosthetic spinal disc replacement and methods thereof App 20070010826 - Rhoda; William S. ; et al. | 2007-01-11 |
| Anterior prosthetic spinal disc replacement App 20060036325 - Paul; David C. ; et al. | 2006-02-16 |
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