Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245381 | Manufacture of composite roofing products with matrix formulated microbiocide | — | 2001-06-12 |
| 5599586 | Chemical maintenance systems for residential roofing materials | — | 1997-02-04 |
| 4898776 | Isocyanate/surfactant-modified polyol binder for manufacture of lignocellulosic composites | George A. Grozdits, Kenneth G. Trout | 1990-02-06 |
| 4833182 | Isocyanate-polyester polyol binder for manufacture of cellulosic composites | George A. Grozdits, Ernest K. Moss | 1989-05-23 |
| 4752637 | Binder composition for manufacture of fiberboard | — | 1988-06-21 |
| 4609513 | Binder composition for manufacture of fiberboard | — | 1986-09-02 |