Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8490357 | Modified base ply roof membrane set in a formulated concrete slurry over lightweight concrete | — | 2013-07-23 |
| 7793480 | Modified base ply roof membrane set in formulated concrete slurry over lightweight concrete | — | 2010-09-14 |
| 7765757 | Device and method for reinforcing attachment of lightweight insulating concrete top coat to an underlying roof deck in a roof system | — | 2010-08-03 |
| 7766537 | Lightweight foamed concrete mixer | — | 2010-08-03 |
| 7299598 | Fastener for lightweight concrete roof systems | David Gembala, Tom Steier | 2007-11-27 |
| 6494007 | Expansion joint curb for roof systems | — | 2002-12-17 |
| 6421971 | Edge closure with cant for roof systems | — | 2002-07-23 |
| 6378256 | Wall closure for roof systems | — | 2002-04-30 |
| 6237293 | Alternative blocking for roof systems | — | 2001-05-29 |