Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343835 | Method and apparatus for treating open-weave substrates with foam | Charles Joseph Cunningham, IV | 1982-08-10 |
| 4209605 | Process for producing shaped polyurethane hydrogel articles | Kenneth L. Hoy, Robert J. Knopf | 1980-06-24 |
| 4182827 | Polyurethane hydrogels having enhanced wetting rates | Robert J. Knopf | 1980-01-08 |