Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864176 | Stator support structure with stamped end plates | James Jonathan Grant | 1989-09-05 |
| 4804499 | Process for the preparation of N-substituted aminomethylphosphonic acids | David B. Reitz, Mitchell J. Pulwer | 1989-02-14 |
| 4804500 | Amine dealkylation process | Terry M. Balthazor | 1989-02-14 |
| 4799541 | Conical contact heat exchanger | Tibor Buna | 1989-01-24 |