Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11713608 | Door monitoring system | Patricia Yulkowski, Edward J. Yenni | 2023-08-01 |
| 11199041 | Concealed electrical door operator | Gerard Edwards, Steve Gebhart | 2021-12-14 |
| 11098517 | Door operator and clutch | — | 2021-08-24 |
| 11028630 | Door monitoring system | Patricia Yulkowski, Edward J. Yenni | 2021-06-08 |
| 10415294 | Door monitoring system | Patricia Yulkowski, Edward J. Yenni | 2019-09-17 |
| 10378262 | Door operator and clutch | — | 2019-08-13 |
| 10221609 | Concealed electrical door operator | Gerard Edwards, Steve Gebhart | 2019-03-05 |
| 10024096 | Door monitoring system | Patricia Yulkowski, Edward J. Yenni | 2018-07-17 |
| 9651130 | Gear assembly with spiral gears | — | 2017-05-16 |
| 9536357 | Door monitoring system | Patricia Yulkowski, Edward J. Yenni | 2017-01-03 |
| 8907791 | Door monitoring system | Patricia Yulkowski, Edward J. Yenni | 2014-12-09 |
| 8844200 | Electrical door operator | Gerard Edwards, Steve Gebhart | 2014-09-30 |
| 8653982 | Door monitoring system | Patricia Yulkowski, Edward J. Yenni | 2014-02-18 |
| 8261491 | Concealed electrical door operator | Gerard Edwards, Steve Gebhart | 2012-09-11 |
| 6705047 | Door and door closer assembly | — | 2004-03-16 |
| 6259352 | Door lock system | Edward J. Yenni | 2001-07-10 |
| 6183023 | Door with integrated fire exit device | — | 2001-02-06 |
| 6049287 | Door with integrated smoke detector and hold open | — | 2000-04-11 |
| 5400474 | Suspension for hinged door | — | 1995-03-28 |
| 5349782 | Door construction having improved locking assembly | — | 1994-09-27 |
| 5297315 | Suspension for hinged door | — | 1994-03-29 |
| 4545607 | Door construction | — | 1985-10-08 |