Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11604444 | Modular roof array | Jeffery F. Kallenberger, Robert A. Valbracht | 2023-03-14 |
| 10989206 | Control system hub for blower controls | Jeffery F. Kallenberger, William S. Hohulin, Robert A. Valbracht, Rickey W. Jennings | 2021-04-27 |
| 6508627 | Airfoil blade and method for its manufacture | Mark Gerken, Michael J. Neely, Michael Brendel | 2003-01-21 |