Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189279 | Steam turbine rotor welding | Walter H. Foster, III, Lawrence D. Sparks, Louis Patrick Earvolino | 1993-02-23 |
| 4839490 | Gas shielded metal arc welding torch for limited access welding | — | 1989-06-13 |
| 4443677 | Induction welding impeder apparatus with fluid cooling | — | 1984-04-17 |