Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221607 | Integrated casement window operator and lock | — | 2019-03-05 |
| 9617782 | Self-sealing butt hinge | — | 2017-04-11 |
| 9428945 | Casement and awning window opening limit device | Nghi Christopher Nguyen, Scot J. Berkley | 2016-08-30 |
| 9181746 | Low profile high performance casement and awning window keeper | Nghi Christopher Nguyen, Michael Neff, Lee Bauman, Loren Rysavy, Gregory J. Vetter | 2015-11-10 |
| 8813424 | Casement and awning window opening limit device | Nghi Christopher Nguyen, Scot J. Berkley | 2014-08-26 |
| 8505240 | Casement and awning window opening limit device | Nghi Christopher Nguyen, Scot J. Berkley | 2013-08-13 |
| 8418404 | Window with opening control mechanism | David M. Runk, Steven G. Peterson | 2013-04-16 |