Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617946 | Push-button switch | William J. Vumback | 1997-04-08 |
| 4211989 | Circuit breaker bell alarm and lockout accessory apparatus | — | 1980-07-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617946 | Push-button switch | William J. Vumback | 1997-04-08 |
| 4211989 | Circuit breaker bell alarm and lockout accessory apparatus | — | 1980-07-08 |