Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9424701 | Electronic lock and key assembly | Keith Wolski | 2016-08-23 |
| 9341299 | Locking cap system | — | 2016-05-17 |
| 8991434 | Locking cap system | — | 2015-03-31 |
| 8746023 | Electronic lock and key assembly | Keith Wolski | 2014-06-10 |
| 8683831 | Locking cover plate arrangement | — | 2014-04-01 |
| 8347674 | Electronic lock and key assembly | Keith Wolski | 2013-01-08 |
| 8276415 | Holding coil for electronic lock | Keith Wolski | 2012-10-02 |
| 7958758 | Electronic lock and key assembly | Keith Wolski | 2011-06-14 |
| 7437901 | Locking cap system | — | 2008-10-21 |
| 7140212 | Locking cover plate arrangement | — | 2006-11-28 |
| 6907760 | Locking cover plate arrangement | — | 2005-06-21 |
| 6698261 | Locking cap system | — | 2004-03-02 |
| 6694783 | Locking cover plate arrangement | — | 2004-02-24 |
| 6674080 | Handheld heat detection device | Charles Greuzard | 2004-01-06 |
| 6553795 | Locking cover plate arrangement | — | 2003-04-29 |
| D472434 | Contoured socket head for a key | — | 2003-04-01 |
| 6487882 | Locking cap system | — | 2002-12-03 |
| 6388254 | Handheld heat detection device | Charles Greuzard | 2002-05-14 |
| D456702 | Contoured socket for locking cap | — | 2002-05-07 |
| D448982 | Contoured socket head for a key | — | 2001-10-09 |
| D440838 | Key with mating keyhead | — | 2001-04-24 |
| 5612683 | Security key holder | Geoffrey G. Schulz | 1997-03-18 |
| D358540 | Key security holder for securing an access key | — | 1995-05-23 |
| 4567741 | Safety key holder | — | 1986-02-04 |