Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4195575 | Mechanical time delay safety and arming mechanism | Paul Hartwell | 1980-04-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4195575 | Mechanical time delay safety and arming mechanism | Paul Hartwell | 1980-04-01 |