Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6085864 | Cough muffler | Derrick Copeland, Glen L. Copeland | 2000-07-11 |
| 5652417 | Electric switch having improved lever operator arrangement | David Tsai, Paul Lombard, Denis J. Leveque, Michael T. Little | 1997-07-29 |