Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456025 | Motor operator for over-head air break electrical power distribution switches | Donald S. Berkowitz, Witold Bik, John Hammons, Jeff Heckathorn, Stephen F. Isaacson +1 more | 2002-09-24 |
| 6215263 | Motor operator for over-head air break electrical power distribution switches | Donald S. Berkowitz, Witold Bik, John Hammons, Jeff Heckathorn, Stephen F. Isaacson +1 more | 2001-04-10 |