Helfer; Joel N.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Helfer; Joel N..The latest application filed is for "surgical instrument for grasping and cutting tissue".
- Helfer; Joel N. - Cheshire CT
- Helfer; Joel N. - Chesire CT
- Helfer; Joel N. - New Haven CT
- Helfer; Joel N. - Buffalo Grove IL
| Patent | Date |
|---|---|
| Surgical instrument for grasping and cutting tissue Grant 10,716,589 - Kalmann , et al. | 2020-07-21 |
| Surgical Instrument For Grasping And Cutting Tissue App 20180085137 - Kalmann; Menno ; et al. | 2018-03-29 |
| Surgical instrument for grasping and cutting tissue Grant 9,801,645 - Kalmann , et al. October 31, 2 | 2017-10-31 |
| Surgical Instrument For Grasping And Cutting Tissue App 20150282827 - Kalmann; Menno ; et al. | 2015-10-08 |
| Surgical instrument for grasping and cutting tissue Grant 9,066,744 - Kalmann , et al. June 30, 2 | 2015-06-30 |
| Surgical Instrument For Grasping And Cutting Tissue App 20130296909 - Kalmann; Menno ; et al. | 2013-11-07 |
| Surgical Instrument For Grasping And Cutting Tissue App 20130138092 - Hinchliffe; Peter W.J. ; et al. | 2013-05-30 |
| Surgical instrument for grasping and cutting tissue Grant 8,398,673 - Hinchliffe , et al. March 19, 2 | 2013-03-19 |
| Foam Port Introducer App 20110054258 - O'Keefe; Jonathan B. ; et al. | 2011-03-03 |
| Intra-ventricular Brain Cooling Catheter App 20110029050 - Elefteriades; John ; et al. | 2011-02-03 |
| Surgical Port And Frangible Introducer Assembly App 20110021877 - Fortier; Richard C. ; et al. | 2011-01-27 |
| Foam Port And Introducer Assembly App 20100249524 - Ransden; Jeffrey E. ; et al. | 2010-09-30 |
| Apparatus and method for multi-modal imaging Grant 7,734,325 - Vizard , et al. June 8, 2 | 2010-06-08 |
| Surgical instrument for grasping and cutting tissue App 20090209991 - Hinchliffe; Peter W.J. ; et al. | 2009-08-20 |
| Apparatus and method for multi-modal imaging App 20060064000 - Vizard; Douglas L. ; et al. | 2006-03-23 |
| Connectors for electrophoresis device Grant 5,405,520 - Helfer April 11, 1 | 1995-04-11 |
| Electronic thermometer with probe isolation chamber Grant 4,619,271 - Burger , et al. October 28, 1 | 1986-10-28 |
| Mouthpiece for a spirometer device Grant D281,011 - Helfer October 15, 1 | 1985-10-15 |
| Apparatus for monitoring fetal heartbeat and the like Grant 4,437,467 - Helfer , et al. March 20, 1 | 1984-03-20 |
| Sealing apparatus for intrauterine pressure catheter and the like Grant 4,325,387 - Helfer April 20, 1 | 1982-04-20 |
| Rotating mechanism for introducing a fetal electrode Grant 4,301,806 - Helfer November 24, 1 | 1981-11-24 |
| Diffusion device for blood Grant 4,179,364 - Bratten , et al. December 18, 1 | 1979-12-18 |
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