Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9382748 | Intermediate member for extending the depth of a window or door and window or door constructed with same | John G. Kirchner, David S. Zhang, Robert I. Diamond | 2016-07-05 |
| 7065929 | Two part window and door assembly and coupling for interconnecting components thereof | Harry M. Riegelman | 2006-06-27 |
| 6782661 | Mechanical actuator for a multi-position window | — | 2004-08-31 |
| 6421960 | Safety-lock for multi-position tilt and turn window | — | 2002-07-23 |
| 6330769 | Sash mount system | Harry M. Riegelman | 2001-12-18 |
| 6094874 | Window mount system | — | 2000-08-01 |
| 5881498 | Tilt and turn window lock system | Christopher M. Goggin, Harry M. Riegelman | 1999-03-16 |