Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7078642 | Arc extinguishing device with a high speed whip | Peter M. Kowalik, Joseph Andreyo, Charles M. Cleaveland, Steven A. Cleaveland | 2006-07-18 |
| 6762385 | Arc extinguishing device with a high speed whip | Peter M. Kowalik, Joseph Andreyo, Charles M. Cleaveland | 2004-07-13 |
| 6392181 | ARC extinguishing device with a high speed whip | Charles M. Cleaveland | 2002-05-21 |