Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376429 | Laminated waterstop using bentonite and bentones | — | 1994-12-27 |
| 5091234 | Composite water barrier sheet | Bryan M. McGroarty | 1992-02-25 |
| 5079088 | Water barrier | Bryan M. McGroarty | 1992-01-07 |
| 4693923 | Water barrier | Bryan M. McGroarty | 1987-09-15 |