Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814555 | Rotary switch having a flux controlling structure | L. Lamar Armstrong | 1989-03-21 |
| 4771149 | Compact rotary switch | L. Lamar Armstrong | 1988-09-13 |
| 4733034 | Compact rotary switch | L. Lamar Armstrong | 1988-03-22 |