Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879446 | Internal wire guide for GTAW welding | Gerald E. Dyer | 1989-11-07 |
GM
Gene E. Morgan
Overall (1989): #111,611 of 140,708Top 80%
1
Patents 1989