Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7124546 | Muntin bar connector with positioning tabs | Lawrence A. Schneider | 2006-10-24 |
| 7066233 | Sliding operator for between the glass window coverings | Seth Masters, Paul Edward Smith, JR., Steven D. Lauritsen, Paul Martin Pfitzenmaier | 2006-06-27 |
| 6746175 | Fenestration corner lock | Michael D. Gonnerman, Andrew P. Schirz | 2004-06-08 |
| 5934351 | Sliding tilt mechanism for horizontal slatted blinds | Rashid Bharucha, Gregory D. De Boer, William R. Guthrie, Howard C. Anderson | 1999-08-10 |
| 5299399 | Window panel with breather system | Bruce A. Baier, Bruce Hagemeyer, Merlan J. Rolffs | 1994-04-05 |