Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847008 | Electric arc welding system | William S. Houston | 2005-01-25 |
| 6660966 | Electric arc welding system | William S. Houston, Elliott K. Stava | 2003-12-09 |
| 6570130 | Device for monitoring voltage leads and method of using same | Todd E. Kooken | 2003-05-27 |
| 6472634 | Electric arc welding system | William S. Houston, Elliott K. Stava | 2002-10-29 |