Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D460433 | Message recording and playback device | Steven H. Heyl, David E. Bachschmid, Paul C. Draisey, Matthew Rhodes | 2002-07-16 |
| D430114 | Switch plate with voice recorder | David E. Bachschmid | 2000-08-29 |