Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336089 | Method of preparing polyurethane foam carpet underlay having a barrier film attached thereto | — | 1982-06-22 |
DA
Dan A. Asperger
Overall (1982): #20,491 of 81,411Top 30%
1
Patents 1982