Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315644 | Telephone interface circuit | Randall M. Wagner, Randy A. Callaway | 1994-05-24 |
| 5289534 | Door ajar signalling device | Randall M. Wagner, Randy A. Callaway, Michael Kennedy | 1994-02-22 |