Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866247 | Apparatus and method of short circuiting arc welding | Elliott K. Stava | 1989-09-12 |
| D302276 | Work vehicle having ground engaging belt drive apparatus | Robert W. Briggs | 1989-07-18 |
| 4835360 | Method and device for controlling a short circuiting type welding system | Elliott K. Stava | 1989-05-30 |