Crowninshield; Roy D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Crowninshield; Roy D..The latest application filed is for "compact air purifier".
- Crowninshield; Roy D. - Fort Wayne IN US
- Crowninshield; Roy D. - Asheville NC US
- Crowninshield; Roy D. - Warsaw IN
- Crowninshield; Roy D. - Iowa City IA
| Patent | Date |
|---|---|
| Fully porous prosthetic hip stem Grant 10,070,961 - Hoag , et al. September 11, 2 | 2018-09-11 |
| Compact air purifier Grant 8,748,167 - Greene , et al. June 10, 2 | 2014-06-10 |
| Compact Air Purifier App 20110318817 - Greene; Wesley O. ; et al. | 2011-12-29 |
| Fully porous prosthetic hip stem App 20060276906 - Hoag; Stephen H. ; et al. | 2006-12-07 |
| Orthopaedic implant device Grant 5,443,512 - Parr , et al. August 22, 1 | 1995-08-22 |
| Method of surface hardening orthopedic implant devices Grant 5,326,362 - Shetty , et al. July 5, 1 | 1994-07-05 |
| Centering cap for a prosthetic hip stem Grant D339,865 - Geremakis , et al. September 28, 1 | 1993-09-28 |
| Bone implant Grant 5,219,363 - Crowninshield , et al. June 15, 1 | 1993-06-15 |
| Method of surface hardening orthopedic implant devices Grant 5,192,323 - Shetty , et al. March 9, 1 | 1993-03-09 |
| Prosthetic interpositional device/coupler Grant 5,066,304 - Crowninshield , et al. November 19, 1 | 1991-11-19 |
| Prosthetic interpositional device/coupler Grant 5,015,257 - Crowninshield , et al. May 14, 1 | 1991-05-14 |
| Prosthesis with enhanced surface finish Grant 4,795,472 - Crowninshield , et al. January 3, 1 | 1989-01-03 |
| Nail device Grant 4,756,307 - Crowninshield July 12, 1 | 1988-07-12 |
| Femoral component and the method of constructing the same Grant 4,718,912 - Crowninshield January 12, 1 | 1988-01-12 |
| Step counting device and method Grant 4,175,446 - Crowninshield , et al. November 27, 1 | 1979-11-27 |
| SEC | 0001300145 | Crowninshield Roy D |
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