Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7130571 | Variable torque device for maintaining constant web tension | Richard H. Berg, James D. Shifley, Douglas J. Pfaff | 2006-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7130571 | Variable torque device for maintaining constant web tension | Richard H. Berg, James D. Shifley, Douglas J. Pfaff | 2006-10-31 |