Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5914467 | Automatic transfer switch with improved positioning mechanism | Robert D. Kern, Gerald C. Ruehlow | 1999-06-22 |
| 5861604 | Arc welder and method providing use-enhancing features | Graham W. McLean, Robert D. Kern, Gerald C. Ruehlow, Francis X. Wedel | 1999-01-19 |