Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967302 | Safety barriers for 2-wire transmitters | David J. Epton | 1990-10-30 |
| 4860151 | Electrical safety barriers | David J. Epton | 1989-08-22 |
| 4301403 | Electrical circuit testing | David W. Hawkes | 1981-11-17 |