Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359621 | Method for continuously welding a plurality of tubes disposed in multiple rows to a tube sheet | — | 1982-11-16 |
| 4319113 | Apparatus for welding tubes to a tubesheet utilizing a continuous weld | Raymond H. Glatthorn, Urban A. Schneider | 1982-03-09 |