Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986521 | Reject device for a signature gathering machine | George D. Higgins | 1991-01-22 |
| 4711440 | Signature machine with counterpulse weight shuttle bar drive | David J. Nowaczyk | 1987-12-08 |
| 4525118 | Book stacker | Russell S. Ketcham, Kelvin K. Mak | 1985-06-25 |