Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855199 | Photopatterned product of silicone polyamic acid on a transparent substrate | Donald A. Bolon, John E. Hallgren | 1989-08-08 |
| 4853423 | Curable polyphenylene ether-polyepoxide compositions useful in printed circuit board production | Erik W. Walles, John H. Lupinski, Mark Markovitz, Robert Edgar Colborn, James R. Presley +6 more | 1989-08-01 |