Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605102 | Hand cart platform | — | 1997-02-25 |
| 4346279 | Narrow gap welding torch with replacement tip | Gerald G. Lessmann, Ronald D. O'Brokta | 1982-08-24 |
| 4291220 | Method of welding utilizing both consumable and non-consumable electrodes | Gerald G. Lessmann, William J. Reichenecker, Ronald D. O'Brokta | 1981-09-22 |