Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5507230 | Self-powered delayed ordnance | Donald J. Lewis | 1996-04-16 |
| 5440991 | Miniature self contained firing system | Donald J. Lewis | 1995-08-15 |
| 5335598 | Timing and firing circuitry | Donald J. Lewis | 1994-08-09 |