Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5890388 | Method and apparatus for forming structural members | Duane E. Gerenser | 1999-04-06 |
| 5592845 | Process for producing bar flats | Duane E. Gerenser, Donald Jorgensen | 1997-01-14 |