Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9499977 | Motorized acoustical banner | Terry Strand, Dann Rypka, Denny Meyer | 2016-11-22 |
| 9404252 | Tunable acoustic panel | Dixon Gimpel, Matthew Hildebrand, Ronald Freiheit, Dennis R. Meyer, Mark Gallea | 2016-08-02 |
| 9145675 | Tunable acoustic panel | Dixon Gimpel, Matthew Hildebrand, Ronald Freiheit, Dennis R. Meyer, Mark Gallea | 2015-09-29 |
| 8088984 | Convertible percussion cart-platform system | Dennis R. Meyer, Matthew W. Loftus, Mark Gallea, Craig J. Ulrich, Michael D. Jines | 2012-01-03 |