Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664329 | Floor finish composition | Steven R. Gwin, Kurt B. Bischoff | 2003-12-16 |
| 5144675 | Variable recovery time circuit for use with wide dynamic range automatic gain control for hearing aid | Mead C. Killion, Harry Teder, Arthur C. W. Johnson | 1992-09-01 |