Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650478 | Optical filter for a window | Peter Maschwitz | 2003-11-18 |
| 6294233 | Edge-sealed window films and methods | Steven A. Barth | 2001-09-25 |
| 6090451 | Window film edge sealing method | Steven A. Barth, Joseph K. Richard, Jr. | 2000-07-18 |