Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578971 | Machine for manufacturing spiral seam piping from strip metal | Dietmar Orth | 1986-04-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578971 | Machine for manufacturing spiral seam piping from strip metal | Dietmar Orth | 1986-04-01 |