Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5274701 | Telephone alerter | James Schmidt, Rodney Pederson | 1993-12-28 |
| 4594478 | Transmitter assembly for a telephone handset | Beverley W. Gumb, Alan C. Busche | 1986-06-10 |
| 4529846 | Dynamic telephone receiver with magnetic shunt | Beverley W. Gumb, Alan C. Busche | 1985-07-16 |