Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5645862 | Apparatus for the thermal densification of thermoplastic articles | Richard A. Wenzel | 1997-07-08 | |
| 5470521 | Method for the thermal densification of thermoplastic articles | Richard A. Wenzel, Charles M. Krutchen, Phillip A. Williams | 1995-11-28 | $28,504,000 |
| 5190253 | Collapsible holder for thermoplastic bags | — | 1993-03-02 | $7,006,000 |
| D332333 | Plastic bag support rack having a message board thereon | Richard A. Wenzel | 1993-01-05 | |
| D332161 | Plastic bag support rack | Richard A. Wenzel | 1992-12-29 | |
| 4921197 | Bag holding, dispensing, loading and discharge system | Gordon L. Benoit, Richard A. Wenzel | 1990-05-01 | $7,791,000 |
| D302062 | Grocery bag holder | — | 1989-07-04 | |
| 4819898 | Bag holding, dispensing, loading and discharge system | Gordon L. Benoit, Richard A. Wenzel | 1989-04-11 | $5,102,000 |