Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10745942 | Dogging security indicator for exit device | Jack R. Lehner, Jr., Ryan Williams | 2020-08-18 |
| 9945158 | Dogging security indicator for exit device | Jack R. Lehner, Jr., Ryan Williams | 2018-04-17 |