Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5935511 | Method of forming and removing thin walled plastic articles from a plurality of dies in a thermoforming apparatus | — | 1999-08-10 |
| 5720992 | Movable extractor plate assembly for rapidly removing articles from a thermoforming apparatus | — | 1998-02-24 |
| 5249492 | Vertical trim press and stacking apparatus and method of trimming and stacking articles | James Kundinger, William F. Kent | 1993-10-05 |
| 5225213 | Apparatus for differential pressure forming and trimming | Albert W. Arends | 1993-07-06 |
| 5002479 | Apparatus for adjusting the shut height of a mold in a differential pressure forming machine | Timothy P. Dinnan | 1991-03-26 |
| 4969812 | Fluid pressure operated apparatus for mounting a differential pressure mold on a platen | — | 1990-11-13 |
| 4890524 | Trim press with counterbalance | Albert W. Arends | 1990-01-02 |
| 4384439 | Tuck and nest method and apparatus | — | 1983-05-24 |
| 4313358 | Dynamically balanced trim press | — | 1982-02-02 |
| 4209101 | Tamper-proof closure and method of making same | — | 1980-06-24 |