Thumma; Mark R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Thumma; Mark R..The latest application filed is for "contact retention system".
- Thumma; Mark R. - Oberlin PA
| Patent | Date |
|---|---|
| Contact retention system Grant 5,609,502 - Thumma March 11, 1 | 1997-03-11 |
| Surface mountable card edge connector Grant 5,496,180 - Fabian , et al. March 5, 1 | 1996-03-05 |
| Keyed card edge connector Grant 5,387,132 - Sarver , et al. February 7, 1 | 1995-02-07 |
| Electrical connector with shorting contacts Grant 5,366,382 - Thumma November 22, 1 | 1994-11-22 |
| Electrical connector with shorting contacts which wipe against each other Grant 5,277,607 - Thumma , et al. January 11, 1 | 1994-01-11 |
| Card edge connector Grant 5,026,292 - Pickles , et al. June 25, 1 | 1991-06-25 |
| Electrical connector system Grant 4,867,690 - Thumma September 19, 1 | 1989-09-19 |
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