Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746809 | AC power line signaling system | Paul A. Staby | 1988-05-24 |
| 4434549 | Method of making an improved pyroelectric sensor | Peter Roland Smith | 1984-03-06 |
| 4379971 | Pyroelectric sensor | Peter Roland Smith | 1983-04-12 |
| 4293008 | Ratio graduate for use with post-mix beverage dispenser | — | 1981-10-06 |