Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199291 | Roll forming machine with flare control unit | Gordon H. Bahl, Jr., Roger Levy, Marvin J. Engelsman | 1993-04-06 |
| 4530226 | Sweep-forming apparatus | Carl F. Granzow, Edward G. Lash, Everett Gleason | 1985-07-23 |