Hopkins; John B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hopkins; John B..The latest application filed is for "superabsorbent structure".
- Hopkins; John B. - Pineville NC
- Hopkins; John B. - Cambridge MA
| Patent | Date |
|---|---|
| Superabsorbent structure Grant 5,433,994 - McKinney , et al. July 18, 1 | 1995-07-18 |
| Grade-crossing motorist warning system Grant 3,963,202 - Hopkins June 15, 1 | 1976-06-15 |
| Microwave Crash Sensor For Automobiles Grant 3,760,415 - Holmstrom , et al. September 18, 1 | 1973-09-18 |
| Railroad Crossing Signalling System Grant 3,758,775 - Hopkins September 11, 1 | 1973-09-11 |
| SEC | 0001300975 | Hopkins John B |
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