Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4225770 | Welding tubular armature tabs using TIG | Robert Rogers, Donald G. Wiechman | 1980-09-30 | $21,583,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4225770 | Welding tubular armature tabs using TIG | Robert Rogers, Donald G. Wiechman | 1980-09-30 | $21,583,000 |