Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874567 | Microporous membranes from polypropylene | George Lopatin, Larry Y. Yen | 1989-10-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874567 | Microporous membranes from polypropylene | George Lopatin, Larry Y. Yen | 1989-10-17 |