Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221177 | Arrangement for stacking blanks | William Semenik, Norman H. Fobes, Robert J. Prox | 1993-06-22 |
| 5039084 | Arrangement for stacking blanks | William Semenik, Norman H. Fobes, Robert J. Prox | 1991-08-13 |
| 4820102 | Arrangement for and method of stacking blanks | William Semenik, Norman H. Fobes, Robert J. Prox | 1989-04-11 |