Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5096243 | Bumper assembly having a rim box section | — | 1992-03-17 |
| 4923657 | Method for making plastic parts | Robert A. Grimmer, Patricia A. Betzig | 1990-05-08 |
| 4784911 | Three-dimensional multi-color plastic parts and method of making same | Robert A. Grimmer, Patricia A. Betzig | 1988-11-15 |
| 4572856 | Composite molded article and process using self-positioning laminated stiffener | — | 1986-02-25 |