Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325641 | Conversion tank for recycling asphaltic shingle tabs | Stephen R. Babus | 1982-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325641 | Conversion tank for recycling asphaltic shingle tabs | Stephen R. Babus | 1982-04-20 |