Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D317441 | Mobile data terminal or similar article | Roman P. Rak | 1991-06-11 |
| 4799019 | Electrical continuity load monitoring circuit | Charles Cooley | 1989-01-17 |
| 4461347 | Heat exchange assembly for ultra-pure water | Howard M. Layton | 1984-07-24 |