Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H717 | High burn rate ammonium perchlorate propellant | Larry C. Warren | 1989-12-05 |
| 4873268 | Digestion products of polyalkylene terephthalate polymers and polycarboxylic acid-containing polyols and polymeric foams obtained therefrom | Richard K. Hallmark, Michael J. Skowronski | 1989-10-10 |