Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6155775 | Destacking feeder | Carolyn S. Lambert, Donald E. Detterman | 2000-12-05 |
| 5343998 | Method and apparatus for turning a block of signatures | Don E. Detterman | 1994-09-06 |
| 5174705 | Apparatus and method for rubbing the spines of case bound books | Don E. Detterman, David J. Bruns | 1992-12-29 |