Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976673 | Apparatus and method for the production of flexible bags | David A. Smith, Herbert B. Geiger | 1990-12-11 |
| 4940472 | Centrifugal devolatilizer | Robert A. Hay, II | 1990-07-10 |
| 4575100 | Seal assembly which is hydraulically actuated | Robert A. Hay, II | 1986-03-11 |