Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8739320 | Waterless urinal odor trap with helical flow-path fins for sealant conservation and level-gauging | — | 2014-06-03 |
| 5319714 | Audio phase polarity test system | — | 1994-06-07 |
| 4908868 | Phase polarity test instrument and method | — | 1990-03-13 |
| 4199736 | RF Fuse | Nuel C. Benson | 1980-04-22 |