Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5031852 | Film-thrusting cassette | Russell J. Butler, Christopher P. McCormick | 1991-07-16 |
| 4802140 | Method and molding screw for injection molding | — | 1989-01-31 |
| 4186161 | Method of continuous injection molding of plastic articles | Lawrence A. Ulmschneider | 1980-01-29 |