Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982451 | Head covering device | — | 1991-01-08 |
| 4184059 | Encapsulated vacuum switch having improved switch arm seal | Eugene L. Kamp, Armin M. Bruning, Earl S. Gritton, L. Ronald Azdell | 1980-01-15 |