Trent; Douglas E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Trent; Douglas E..The latest application filed is for "operating a lock cylinder with multiple, supplemental locking elements".
- Trent; Douglas E. - Roanoke VA
- Trent; Douglas E. - SW. Roanoke VA
| Patent | Date |
|---|---|
| Operating a lock cylinder with multiple, supplemental locking elements Grant 11,280,111 - Benzie , et al. March 22, 2 | 2022-03-22 |
| Operating A Lock Cylinder With Multiple, Supplemental Locking Elements App 20210310277 - Benzie; Mark ; et al. | 2021-10-07 |
| Key And Key Blanks Operable In Vertically And Horizontally Oriented Keyways App 20210230901 - DUCKWALL; Thomas ; et al. | 2021-07-29 |
| Lock Cylinder And Key With Multiple, Supplemental Locking Elements App 20210102402 - BENZIE; Mark ; et al. | 2021-04-08 |
| Dual function lock cylinder assembly operable by different keys Grant 10,253,526 - Trent , et al. | 2019-04-09 |
| Dual Function Lock Cylinder Assembly Operable By Diffferent Keys App 20170321450 - TRENT; Douglas E. ; et al. | 2017-11-09 |
| Electronic cam assembly Grant 8,528,373 - Hyatt, Jr. , et al. September 10, 2 | 2013-09-10 |
| Portable security container App 20070171060 - Trent; Douglas E. ; et al. | 2007-07-26 |
| Portable security container Grant 7,212,098 - Trent , et al. May 1, 2 | 2007-05-01 |
| Electronic cam assembly Grant 6,891,458 - Hyatt Jr. , et al. May 10, 2 | 2005-05-10 |
| Electronic cam assembly App 20030221466 - Hyatt, Richard G. JR. ; et al. | 2003-12-04 |
| Electronic cam assembly Grant 6,588,243 - Hyatt, Jr. , et al. July 8, 2 | 2003-07-08 |
| Electronic cam assembly App 20010040492 - Hyatt, Richard G. JR. ; et al. | 2001-11-15 |
| Electronic cam assembly Grant 6,209,367 - Hyatt, Jr. , et al. April 3, 2 | 2001-04-03 |
| Electronic combination lock security system Grant 5,541,581 - Trent July 30, 1 | 1996-07-30 |
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