Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8939474 | Lock with sliding locking elements | Bruce Hagemeyer, Dan Raap, Gary E. Tagtow, Zaiding Shen | 2015-01-27 |
| 8438703 | Positionable hinge | Gary E. Tagtow, Tracy Lammers, Matthew L. Halbersma, Allen Rickenbaugh, Eric J. Adamson | 2013-05-14 |
| 8429794 | Adjustable door hinge | Gary E. Tagtow, Tracy Lammers | 2013-04-30 |
| D678032 | Handle | Dan Raap, David Chen, John Parkhurst, Joe Gryte, Michael D. Svoma | 2013-03-19 |