Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043197 | Method for making biaxially-oriented polyester film having a dual-sided appearance and article made therefrom | — | 1991-08-27 |
| 4990401 | Biaxially-oriented polyester film having a dual-sided appearance and method for making same | — | 1991-02-05 |
| 4603073 | Opaque polyester film containing fine carbon black particles | Douglas G. Pedrotty, John Donlon | 1986-07-29 |
| 4546036 | Magnetic recording medium having opaque polyester film base | Douglas G. Pedrotty, John F. Donlan | 1985-10-08 |