Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225770 | Welding tubular armature tabs using TIG | Robert Rogers, Donald G. Wiechman | 1980-09-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225770 | Welding tubular armature tabs using TIG | Robert Rogers, Donald G. Wiechman | 1980-09-30 |