Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346578 | Extrusion press and method | Nelson K. Harrison | 1982-08-31 |
| 4308742 | Method of and machine for extruding | Nelson K. Harrison | 1982-01-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346578 | Extrusion press and method | Nelson K. Harrison | 1982-08-31 |
| 4308742 | Method of and machine for extruding | Nelson K. Harrison | 1982-01-05 |