Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10941614 | Operating system for an architectural covering | Ronald Holt, Stephen T. Wisecup | 2021-03-09 |
| 10407983 | Operating system for an architectural covering | Ronald Holt, Stephen T. Wisecup | 2019-09-10 |
| 7513294 | System for suspending non-retractable shades in architectural openings | Ralph G. Jelic | 2009-04-07 |
| 6948216 | Window covering with improved anchor for operating cord | Erwin Gaudyn, Stephen T. Wisecup | 2005-09-27 |
| 5855235 | Retractable window covering | Wendell B. Colson | 1999-01-05 |
| 5735329 | Connector for pull cords | Joseph E. Kovach | 1998-04-07 |
| 5601129 | Roller and clip for mounting a flexible material | Wendell B. Colson | 1997-02-11 |
| 5601885 | Support system for supporting a vertically disposed multi-cell panel | — | 1997-02-11 |
| 5482750 | Multiple cell honeycomb insulating panel and method of hanging | Wendell B. Colson, Cees M. Jansen, Paul G. Swiszcz, James M. Anthony | 1996-01-09 |
| 5456304 | Apparatus for mounting a retractable covering for an architectural opening | Wendell B. Colson | 1995-10-10 |
| 5320154 | Method and apparatus for mounting a retractable window covering | Wendell B. Colson | 1994-06-14 |
| 4967824 | Cord equalizer | Wendell B. Colson | 1990-11-06 |
| 4913210 | Cord lock for window shades | Wendell B. Colson | 1990-04-03 |