Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069003 | Method for making microprisms | Robert Hogregfe, David Knox | 1991-12-03 |
| 4813203 | Retrofit glazing system | Hugo J. Palacios, Jerry C. Hogan | 1989-03-21 |
| 4756132 | External veneer cap for an existing wall framing system and method of installation | Hugo J. Palacios, Jerry C. Hogan | 1988-07-12 |