Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10287740 | Flood barrier system | Guy Richard Hamilton, Joseph Michael Davis | 2019-05-14 |
| 9670634 | Flood barrier system | Guy Richard Hamilton, Joseph Michael Davis | 2017-06-06 |
| 9376778 | Flood barrier system | Guy Richard Hamilton, Joseph Michael Davis | 2016-06-28 |
| 6021839 | Accordion shutter system with improved header and sill configuration | Vladimir John Knezevich, Frank Cornelius | 2000-02-08 |
| 5755270 | Accordion shutter system | Vladimir John Knezevich, Frank Cornelius | 1998-05-26 |