Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694803 | Fin folding machine for corrugating sheet material | Douglas R. Ervin, Thomas J. Quinn | 1997-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694803 | Fin folding machine for corrugating sheet material | Douglas R. Ervin, Thomas J. Quinn | 1997-12-09 |