Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5081334 | Gas shield for welding | James E. Copher, Kenneth F. Krysiak | 1992-01-14 |
| 4192983 | Methods of hard facing | — | 1980-03-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5081334 | Gas shield for welding | James E. Copher, Kenneth F. Krysiak | 1992-01-14 |
| 4192983 | Methods of hard facing | — | 1980-03-11 |