Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4714422 | Rotary plasticator screw injection machine | Gregory W. Meeker, Marc A. Rizzi, Carl M. Irick | 1987-12-22 |
| 4557683 | Rotary plasticator ram injection machine | Gregory W. Meeker | 1985-12-10 |