Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641549 | Cellularized polyesters | Walter Francis Johnston, William G. Perkins | 1997-06-24 |
| 5431972 | Nucleation of crystallization in polyesters | William G. Perkins, Walter Francis Johnston | 1995-07-11 |
| 4996269 | Polyester composition which is particularly suitable for use in thermoforming thin walled articles | Judith A. Tweedie | 1991-02-26 |
| 4898703 | Utilization of polyester in place of lead for use as a sheathing material for curing long length hose | Hoyt M. Wells, William J. Determan, Vernon Vincent Vanis, John E. Hrivnak, Timothy P. Saupe | 1990-02-06 |
| 4775564 | Collapsible-stable blown container | Clem B. Shriver, Robert H. Vogliano | 1988-10-04 |