Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308407 | Electroslag welding flux | Evan Hinshaw | 1994-05-03 |
| 5308698 | Flux for coated welding electrode | Evan Hinshaw | 1994-05-03 |
| 5304346 | Welding material for low coefficient of thermal expansion alloys | David B. O'Donnell | 1994-04-19 |