Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5444750 | Tally punch machine | William Stewart, Thomas H. Peterman, Marlo G. Schoeneck, Richard Jerome Schoeneck | 1995-08-22 |
| 4993468 | Window with automatic screen | William Hackman | 1991-02-19 |
| 4373840 | Pallet transfer system | — | 1983-02-15 |