Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331278 | Pipe welding apparatus | William R. Mercer | 1982-05-25 |
| 4185525 | Method of and apparatus for cutting substantially vertically disposed pipe | — | 1980-01-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331278 | Pipe welding apparatus | William R. Mercer | 1982-05-25 |
| 4185525 | Method of and apparatus for cutting substantially vertically disposed pipe | — | 1980-01-29 |