Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9890582 | Door release mechanism | Mark Daus | 2018-02-13 |
| 9598900 | Reset mechanism for stored energy emergency barriers | Dwayne J. Kornish | 2017-03-21 |
| 9328547 | Door release mechanism | Mark Daus | 2016-05-03 |
| 8905113 | Door release mechanism | Mark Daus | 2014-12-09 |
| 8887791 | Reset mechanism for stored energy emergency barriers | Dwayne J. Kornish | 2014-11-18 |
| 8770255 | Door release mechanisim | Mark Daus | 2014-07-08 |
| 8397787 | Door release mechanism | Mark Daus | 2013-03-19 |
| 7878230 | Door release mechanism | Mark Daus | 2011-02-01 |
| 6527037 | Rolling door tensioner | Mark Daus | 2003-03-04 |
| 5494093 | Rolling door stop apparatus | — | 1996-02-27 |