Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849501 | Polyimide coating compositions based on meta-dialkyldihydrogen pyromellitate and aromatic diamines | Richard D. Diller, deceased, Ying-Ying Cheng, Patricia Metzger Cotts, Donald C. Hofer, Mahmoud Khojasteh +3 more | 1989-07-18 |
| 4835593 | Multilayer thin film metallurgy for pin brazing | Joseph A. Corso, Shukla Kapur, Walter F. Lange, Da-Yuan Shih | 1989-05-30 |