Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11965361 | Status-indicating cylindrical lock assembly | Subbiah Gopalakrishnan, Kevin Earl David, Kenton H. Barker, Shell Bieker, Daniel J. Compton +4 more | 2024-04-23 |
| 10738507 | Status-indicating cylindrical lock assembly | Subbiah Gopalakrishnan, Kevin Earl David, Kenton H. Barker, Shell Bieker, Daniel J. Compton +4 more | 2020-08-11 |
| 10559151 | Networked door closer and auto-operator | Kenneth A. Kvinge | 2020-02-11 |
| 10400475 | Systems and methods for key recognition | Peter F. Klammer, William P. Dye, Michael P. Hogan, Donald D. Baker, Douglas A. Holmes | 2019-09-03 |
| 10304272 | Networked door closer and auto-operator | Kenneth A. Kvinge | 2019-05-28 |
| 10078930 | Networked door closer and auto-operator | Kenneth A. Kvinge | 2018-09-18 |
| 9879445 | Status-indicating cylindrical lock assembly | Subbiah Gopalakrishnan, Kevin Earl David, Kenton H. Barker, Shell Bieker, Daniel J. Compton +4 more | 2018-01-30 |
| 9748871 | System for harvesting energy from door or door hardware movement | Bryan D. Hoff | 2017-08-29 |
| 9431927 | System for harvesting energy from door or door hardware movement | Bryan D. Hoff | 2016-08-30 |
| 9282237 | Multifocal iris recognition device | — | 2016-03-08 |