Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D619962 | Servo throttle motor shield | Robert Michael Knepper | 2010-07-20 |
| D283166 | Food service building | Richard Küng, Claude Salzberger | 1986-03-25 |
| D282936 | Vending machine currency acceptor | Richard C. Spake | 1986-03-11 |