Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5767432 | Interchangeable cassette for stringed instruments | — | 1998-06-16 |
| 4420203 | Semiconductor module circuit interconnection system | Conrad J. Aug, Charles J. Guenther | 1983-12-13 |