Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975716 | Mounting bar for spacing indicator lights used in electronic equipment | John P. McSwiggen | 1999-11-02 |
| 4803458 | Control switch and potentiometer for hearing aids and the like | David A. Samdahl, Daryle Petersen | 1989-02-07 |
| 4803599 | Mounting bar structure for electrical signalling and indicating devices | Daryle Petersen | 1989-02-07 |