Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7670415 | Vapor barrier for porous structures and system | David Rosenberg, David C. Darwin, Eugene B. Humphrey, Michael Rhodes, Philip S. Rhodes +4 more | 2010-03-02 |
| 5320851 | Packaging and dispensing system for fluid and semi-fluid cement admixtures | Kevin Grogan, Eliot Kay, Stephen P. Belko | 1994-06-14 |
| 5099688 | Thermographic method for determining the volume of concrete in a mixing container | — | 1992-03-31 |