Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758837 | 4-20 milliampere transmitter | — | 1988-07-19 |
| 4664886 | Trimode gas detection instrument | Robert L. Novack | 1987-05-12 |
| 4642172 | Controlled-potential bias circuit for electrochemical cells | — | 1987-02-10 |