| 11879281 |
Automatic window sash interlock |
Tyler Welbig, Chad Kramer, Gary E. Tagtow, Douglas John Criddle |
2024-01-23 |
| 11692380 |
Window sash lock and tilt mechanism |
Tyler Welbig, Chad Kramer, Gary E. Tagtow |
2023-07-04 |
| D866289 |
Patio door handle |
— |
2019-11-12 |
| 9765550 |
Passive door lock mechanisms |
Austin Hemmingsen, Tracy Lammers, Gary E. Tagtow |
2017-09-19 |
| 9758997 |
High security lock for door |
Bruce Hagemeyer, Dan Raap, Gary E. Tagtow, Tracy Lammers |
2017-09-12 |
| 9605444 |
Entry door latch actuator system |
Gary E. Tagtow, Tracy Lammers, Bruce Hagemeyer |
2017-03-28 |
| 9428937 |
Multi-point lock having sequentially-actuated locking elements |
Gary E. Tagtow, Tracy Lammers, Eric J. Adamson, Austin Hemmingsen, Dan Raap |
2016-08-30 |
| 8628126 |
High security lock for door |
Bruce Hagemeyer, Dan Raap, Gary E. Tagtow, Tracy Lammers |
2014-01-14 |
| 8438703 |
Positionable hinge |
Gary E. Tagtow, Tracy Lammers, Matthew L. Halbersma, Matt Coplan, Eric J. Adamson |
2013-05-14 |
| 8382166 |
High security lock for door |
Bruce Hagemeyer, Dan Raap, Gary E. Tagtow, Tracy Lammers |
2013-02-26 |
| 8348308 |
High security lock for door |
Bruce Hagemeyer, Dan Raap, Gary E. Tagtow, Tracy Lammers |
2013-01-08 |