Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4682142 | Rotary potentiometer with switch | Fritz Prestel | 1987-07-21 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4682142 | Rotary potentiometer with switch | Fritz Prestel | 1987-07-21 |