Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644144 | Document carrier envelope | Leon J. Weistroffer, Donald E. Cooper, Daniel A. Bates | 1987-02-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644144 | Document carrier envelope | Leon J. Weistroffer, Donald E. Cooper, Daniel A. Bates | 1987-02-17 |