Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877679 | Multilayer article of microporous and porous materials | Dennis D. Leatherman, Richard A. Schwarz | 1989-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877679 | Multilayer article of microporous and porous materials | Dennis D. Leatherman, Richard A. Schwarz | 1989-10-31 |