Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5892195 | Arc-resistant switchgear enclosure with arcing chamber venting structure | Robert S. Karnbach | 1999-04-06 |
| 5689097 | Arc-resistant switchgear enclosure with arcing chamber venting structure | Robert S. Karnbach | 1997-11-18 |