Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39010 | Lightweight acoustical system | Liangyu Huang, Gordon Ebbitt, Barry Wyerman, David A. Boyles | 2006-03-14 |
| 6296075 | Lightweight acoustical system | Liangyu Huang, Gordon Ebbitt, Barry Wyerman, David A. Boyles | 2001-10-02 |
| 5849133 | Low Voc cleaner/primer for EPDM and butyl roofing and waterproofing membranes | Ronald Lynn Senderling | 1998-12-15 |
| 4849268 | Lap seam for liquid containment systems and method of forming | Don E. Backenstow, Daniel J. Cotsakis | 1989-07-18 |