Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919559 | Locking assembly | — | 1990-04-24 |
| 4863654 | Method for making foamed articles | Patricia A. Betzig | 1989-09-05 |
| 4793784 | Apparatus for making foamed articles | Patricia A. Betzig | 1988-12-27 |
| 4683098 | Apparatus for reducing waste in a plastic mold | Laurent R. Gaudreau | 1987-07-28 |