Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11891839 | Exit device systems and methods | Paul R. Arlinghaus, Jack R. Lehner, Jr., Suresha Chandrasekhara, Mohammed Maksood Ali, Evan Ballard | 2024-02-06 |
| 11629529 | Exit device assembly | Paul R. Arlinghaus, David M. Schacht, Michael D. Coleman, Abdur Rahman Shareef, Marlin Austin | 2023-04-18 |
| 11459798 | Exit device systems and methods | Paul R. Arlinghaus, Jack R. Lehner, Jr., Suresha Chandrasekhara, Mohammed Maksood Ali, Evan Ballard | 2022-10-04 |
| 10697227 | Keyed removable mullion | Jack R. Lehner, Jr. | 2020-06-30 |
| 10648200 | Exit device assembly | Paul R. Arlinghaus, David M. Schacht, Michael D. Coleman, Abdur Rahman Shareef, Marlin Austin | 2020-05-12 |
| 10487570 | Door with interior protective coating | Brian C. Eickhoff, Karen Bishop, David J. Wells | 2019-11-26 |
| 9580944 | Exit device assembly | Paul R. Arlinghaus, David M. Schacht, Michael D. Coleman, Abdur Rahman Shareef, Marlin Austin | 2017-02-28 |