Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888317 | Catalyst-agglomerate bodies encapsulated in a structure and method for their production | Thomas P. DeAngelis, Irwin M. Lachman | 1989-12-19 |
| 4871621 | Method of encasing a structure in metal | Rodney D. Bagley | 1989-10-03 |
| 4804643 | Zirconia ceramic article toughened with SiC whiskers | Kenneth Chyung, Kishor Purushottam Gadkaree, Thomas Dale Ketcham | 1989-02-14 |