Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11930968 | Accessible tub and shower | — | 2024-03-19 |
| 4519816 | Method for the recovery of solvent vapors | — | 1985-05-28 |
| 4390644 | Isocyanurate foams using a sulfonium zwitterion/metal carbonylate mixture as catalyst | George J. Pomranky, Donald L. Schmidt | 1983-06-28 |
| 4335219 | Process for reacting isocyanates in the presence of quaternary ammonium zwitterions | George J. Pomranky, Donald L. Schmidt | 1982-06-15 |