Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4600635 | Bitumen adhesive and waterproofing membranes containing same | Robert A. Wiercinski | 1986-07-15 |
| 4595636 | Bitumen adhesive composition containing an ionomeric elastomer and waterproofing membranes comprising same | Robert A. Wiercinski | 1986-06-17 |