Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D959234 | Door pull | Jack R. Lehner, Jr., Ian K. Heckman, Chad Eagin, Zachary Holtgrewe | 2022-08-02 |
| 10745942 | Dogging security indicator for exit device | Jack R. Lehner, Jr., Linda Ainza | 2020-08-18 |
| 9945158 | Dogging security indicator for exit device | Jack R. Lehner, Jr., Linda Ainza | 2018-04-17 |