Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437710 | Inflatable, inert gas-purged, welding chamber | Bernard W. Kappe | 1984-03-20 |
| 4358949 | Argon purity tester | Bernard W. Kappe | 1982-11-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437710 | Inflatable, inert gas-purged, welding chamber | Bernard W. Kappe | 1984-03-20 |
| 4358949 | Argon purity tester | Bernard W. Kappe | 1982-11-16 |