Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581274 | Carpet underlay having pad and perforated plastic film | Donald F. Stewart, Harold W. Tuller | 1986-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581274 | Carpet underlay having pad and perforated plastic film | Donald F. Stewart, Harold W. Tuller | 1986-04-08 |