Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041326 | Direct action window lock | John Tremble, Gordon H. Liebel, Kevin D. Vilhauer, R. Lee Rawls, James A. Duncan | 2021-06-22 |
| 10145148 | Direct action window lock | John Tremble, Gordon H. Liebel, Kevin D. Vilhauer, R. Lee Rawls, James A. Duncan | 2018-12-04 |
| 8899632 | Direct action window lock | John Tremble, Gordon H. Liebel, Kevin D. Vilhauer, R. Lee Rawls, James A. Duncan | 2014-12-02 |
| 8182001 | Direct action window lock | John Tremble, Gordon H. Liebel, Kevin D. Vilhauer, R. Lee Rawls, James A. Duncan | 2012-05-22 |