Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837822 | Cryptographic based electronic lock system and method of operation | Thomas Crosley, Wayne Davison, James R. Goldberg, Leonard L. Hofheins, Charles A. Vollum +2 more | 1989-06-06 |
| 4774500 | Data compaction method for microprocessor cards | — | 1988-09-27 |
| 4749072 | Clutch mechanism | Thomas Crosley, Victor H. Yee | 1988-06-07 |