Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849281 | Glass mat comprising textile and wool fibers | Ralph E. Brandon, Gregory S. Helwig | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849281 | Glass mat comprising textile and wool fibers | Ralph E. Brandon, Gregory S. Helwig | 1989-07-18 |