Cunningham; Robert A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cunningham; Robert A..The latest application filed is for "hip implant prosthesis".
- Cunningham; Robert A. - Bellaire TX
- Cunningham; Robert A. - Lake Park FL
| Patent | Date |
|---|---|
| Hip implant prosthesis Grant 5,755,810 - Cunningham May 26, 1 | 1998-05-26 |
| Drill pipe inside blowout preventer Grant 4,694,855 - Cunningham September 22, 1 | 1987-09-22 |
| Telemetry drill pipe with pressure sensitive contacts Grant 4,445,734 - Cunningham May 1, 1 | 1984-05-01 |
| Stressed relieved bit leg for an earth boring bit Grant 4,431,066 - Cunningham , et al. February 14, 1 | 1984-02-14 |
| Shaft drill bit with overlapping cutter arrangement Grant 4,248,314 - Cunningham , et al. February 3, 1 | 1981-02-03 |
| Rock drill with increased bearing life Grant RE28,625 - Cunningham November 25, 1 | 1975-11-25 |
| Laser Tracking Method And Apparatus Grant 3,696,248 - Cunningham , et al. October 3, 1 | 1972-10-03 |
| SEC | 0001197758 | CUNNINGHAM ROBERT A |
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