Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629555 | Retractable screen door | Keith Early, Michael S. Eveland, Benjamin Hummel | 2003-10-07 |
| RE38217 | Tubular skylight with improved dome | Ronald L. Sitzema, Jr., Gwen Barber | 2003-08-19 |
| 6546682 | Hurricane door light | Michael S. Eveland | 2003-04-15 |
| D468451 | Door molding | Michael Kowalczyk, Michael S. Eveland | 2003-01-07 |
| D455634 | Handle extrusion | Benjamin Hummel | 2002-04-16 |
| D443077 | Framing element | — | 2001-05-29 |
| D438416 | Roller shade housing | Thomas M. Edwards | 2001-03-06 |
| 6173754 | Window covering system | — | 2001-01-16 |
| D434160 | Window frame extrusion | — | 2000-11-21 |
| 5996668 | Adjustable blind assembly | Errol Pearsons, James L. Willis | 1999-12-07 |
| 5983581 | Tubular skylight with offset dome | Joel E. Robinson, Ronald L. Sitzema, Jr. | 1999-11-16 |
| D402044 | Wall grid | Ralph LaZar, Aaron B. Eiger, Kurt T. Peterson | 1998-12-01 |
| 5765325 | Hurricane door light | — | 1998-06-16 |
| 5655339 | Tubular skylight with improved dome | Gwen H. Kramer, Ronald L. Sitzema, Jr. | 1997-08-12 |
| 5636484 | Hurricane door light | — | 1997-06-10 |
| 5544455 | Skylight with modular shaft | — | 1996-08-13 |
| 4884376 | Sun porch | Kert E. Artwick | 1989-12-05 |
| 4872498 | Venting door light with insulated glass | Kert E. Artwick | 1989-10-10 |