Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7407699 | Extruded polypropylene sheets containing beta spherulites | — | 2008-08-05 |
| 5916953 | Stiff, strong, tough glass-filled olefin polymer | Mark A. Sherman | 1999-06-29 |
| 5594070 | Oriented polymeric microporous films | Charles W. Bauer, Scott R. Clingman, William T. Tapp | 1997-01-14 |
| 5317035 | Oriented polymeric microporous films | Charles W. Bauer, Scott R. Clingman, William T. Tapp | 1994-05-31 |
| 5310584 | Thermoformable polypropylene-based sheet | Jesse Wu, Mark Heiden | 1994-05-10 |
| 5236963 | Oriented polymeric microporous films | William T. Tapp | 1993-08-17 |
| 5176953 | Oriented polymeric microporous films | Charles W. Bauer, Scott R. Clingman, Willilam T. Tapp | 1993-01-05 |
| 4975469 | Oriented porous polypropylene films | Charles W. Bauer | 1990-12-04 |
| 4829839 | Method for determining the environmental stress cracking resistance of plastic articles | James H. Fisher | 1989-05-16 |
| 4750369 | Method and device for determining the environmental stress cracking resistance of plastic articles | James H. Fisher | 1988-06-14 |
| 4386129 | Porous polymeric films | — | 1983-05-31 |