Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10253526 | Dual function lock cylinder assembly operable by different keys | Douglas E. Trent, Mark Benzie, Lance Schoell | 2019-04-09 |
| 8973417 | Electronically-controlled removable core lock | Lance Schoell, Doug Trent, David E. Smith | 2015-03-10 |
| 6467602 | Electromechanical parking meter door communications interface | David Lefevers, Gary Hoss, J. Lumpkin, Gregory Emile Chauvin | 2002-10-22 |