Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11931664 | User experiences in simulated environments | W. Matthew Hall | 2024-03-19 |
| 11054893 | Team flow control in a mixed physical and virtual reality environment | Ken Bretschneider, Curtis Hickman | 2021-07-06 |
| 11030806 | Combined virtual and physical environment | Ken Bretschneider, Curtis Hickman | 2021-06-08 |
| 9464393 | Two stage snow thrower auger housing | James W. Mast, Samuel J. Gerritts, Daniel L. Steinike, Joseph D. Folk, Mark R. Starszak +1 more | 2016-10-11 |
| 5365636 | Apparatus for closing sliding doors | — | 1994-11-22 |