Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477023 | Laser engraving system and method for engraving an image on a workpiece | John P. Mortara, Alfred C. Owens, Douglas L. Mann, Micki M. Baumert, Robert D. Sigman | 1995-12-19 |
| 5399836 | Welding apparatus and method for buttering an end face surrounding a circular opening in a work-piece | Marvin Carpenter | 1995-03-21 |
| 4343983 | Non-consumable composite welding electrode | Robert L. Nelson | 1982-08-10 |
| 4336440 | Weld tracking/electronic arc sensing system | George E. Cook, George J. Merrick, Willibald R. Rosenberger | 1982-06-22 |
| 4319113 | Apparatus for welding tubes to a tubesheet utilizing a continuous weld | Raymond H. Glatthorn, Robert E. Monley | 1982-03-09 |
| 4300034 | Gas tungsten arc welding torch | Robert E. Monley, Raymond H. Glatthorn, Robert L. Nelson | 1981-11-10 |
| 4298783 | Deep narrow groove tungsten inert gas shielded welding process | Robert E. Monley, Robert L. Nelson, Raymond H. Glatthorn | 1981-11-03 |