Hamma; John C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamma; John C..The latest application filed is for "pressure gauge having a dampener mechanism".
- Hamma; John C. - Isle of Palms SC
- Hamma; John C. - Milford CT
- Hamma; John C. - Bridgeport CT
| Patent | Date |
|---|---|
| Pressure gauge having a dampener mechanism Grant 6,651,507 - Hamma , et al. November 25, 2 | 2003-11-25 |
| Opening fingers for envelope inserting apparatus Grant 5,675,959 - Hamma , et al. October 14, 1 | 1997-10-14 |
| Mixed mail transport Grant 5,508,818 - Hamma April 16, 1 | 1996-04-16 |
| Postal finishing kiosk Grant 5,457,636 - Sansone , et al. October 10, 1 | 1995-10-10 |
| Copying and sorting apparatus Grant D271,775 - DuBois , et al. December 13, 1 | 1983-12-13 |
| Combined copying and sorting machine Grant D270,253 - DuBois , et al. August 23, 1 | 1983-08-23 |
| Compact sorter Grant 4,332,377 - DuBois , et al. June 1, 1 | 1982-06-01 |
| Compact sorter Grant 4,328,963 - DuBois , et al. May 11, 1 | 1982-05-11 |
| Copying and sorting apparatus Grant D263,848 - DuBois , et al. April 13, 1 | 1982-04-13 |
| Infusion Monitoring Device Grant 3,656,138 - Hamma April 11, 1 | 1972-04-11 |
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