Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801360 | Polarized lens formed by injection/coining injection molding process | Richard A. Phillips, Darrell Pope | 2004-10-05 |
| 5496615 | Waterproofing membrane | Keith R. Bartlett, Robert F. Jenkins, Christopher Buss, Timothy J. Martin, Andre Gerber | 1996-03-05 |
| 4585682 | Roofing membranes | Bahram Siadat | 1986-04-29 |