Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446831 | System for dispensing aprons | Mary Ellen Wirtz | 2002-09-10 |
| 4660469 | Shear system | R. Paul Smith, Thomas R. Betsinger | 1987-04-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446831 | System for dispensing aprons | Mary Ellen Wirtz | 2002-09-10 |
| 4660469 | Shear system | R. Paul Smith, Thomas R. Betsinger | 1987-04-28 |