Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343010 | Recorder control circuit for suppressing incipient arcing at the heating electrodes | Richard Denny | 1982-08-03 |
| 4317018 | Fail safe control circuit | Richard Denny | 1982-02-23 |