Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309087 | Air core gauge, multi-frequency pulse width modulator system therefor | Kevin Hammond, Donald E. Hutchings | 1994-05-03 |
| 5296804 | Air core gauge fixed voltage signal and variable pulse width modulation signal interchanged control system therefor | Kevin Hammond, Donald E. Hutchings | 1994-03-22 |