Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688211 | Dual linear actuator | — | 2004-02-10 |
| 4450424 | Electrical insulating system | Fred S. Sadler, Paul F. Hettwer, Clarence R. Acker | 1984-05-22 |
| 4407697 | Process for making electrical insulating paper and the product thereof | Fred S. Sadler, Paul F. Hettwer, Clarance R. Acker | 1983-10-04 |