Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769214 | Strip for retaining storm door window elements | Michael J. Billingsley | 2004-08-03 |
| 6256931 | Window retention system | Michael J. Billingsley | 2001-07-10 |
| 6192631 | Window retention system | Michael J. Billingsley | 2001-02-27 |
| 6088966 | Hinge-emulating gap concealing strip for a door | — | 2000-07-18 |
| D413991 | Extruded section of a door frame | Michael J. Billingsley | 1999-09-14 |
| D409767 | Extruded section of a door frame | Michael J. Billingsley | 1999-05-11 |
| D408562 | Extruded section of a door frame | Michael J. Billingsley | 1999-04-20 |
| D405194 | Extruded strip for mounting on the edge of a door | — | 1999-02-02 |
| D393908 | Door frame extrusion | — | 1998-04-28 |
| D384426 | Door frame extrusion | — | 1997-09-30 |
| 5623783 | Vented glass door | — | 1997-04-29 |
| 5546714 | Glazing seal and door frame | — | 1996-08-20 |