Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136801 | Inverted constant force window balance | Wilbur James Kellum, III, Travis Steen, Tyler Welbig | 2021-10-05 |
| 10563440 | Inverted constant force window balance | Wilbur James Kellum, III, Travis Steen, Tyler Welbig | 2020-02-18 |
| 9133656 | Inverted constant force window balance for tilt sash | Travis Steen, Dan Raap, Gary Newman, Bruce Hagemeyer | 2015-09-15 |
| 8296903 | Side-load window balance system and methods | Travis Steen | 2012-10-30 |
| 7513540 | Inactive door bolt | Bruce Hagemeyer, Fredrick L. Hrdlicka, Gary E. Tagtow, Daniel L. Raap | 2009-04-07 |