Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163361 | Roll-form tie bar and guide for casement window | Craig M. Doring, Douglas A. Nolte | 2024-12-10 |
| 11866968 | Tie bar and guide for casement window | Craig M. Doring, Douglas A. Nolte | 2024-01-09 |
| 11692381 | Tamper resistant sash opening limiter for casement and awning windows | Gregory J. Vetter | 2023-07-04 |
| 10787853 | Integrated casement window operator and lock with anti-backdrive feature | Glen M. Wolf, Gregory J. Vetter, Douglas A. Nolte | 2020-09-29 |