Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091234 | Composite water barrier sheet | Patrick J. McGroarty | 1992-02-25 |
| 5079088 | Water barrier | Patrick J. McGroarty | 1992-01-07 |
| 4837085 | Joint leak stop membrane | — | 1989-06-06 |
| 4693923 | Water barrier | Patrick J. McGroarty | 1987-09-15 |
| 4316833 | Waterproofing material containing bentonite | — | 1982-02-23 |