Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32848 | Anti-microbial reaction product of #9 allantoin and formaldehyde | William E. Rosen | 1989-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32848 | Anti-microbial reaction product of #9 allantoin and formaldehyde | William E. Rosen | 1989-01-31 |