Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8600899 | Vending data communications systems | — | 2013-12-03 |
| D679927 | Electronic key storage and programming box | — | 2013-04-16 |
| D677958 | Electronic key and receptacle | — | 2013-03-19 |
| D677959 | Key and smart key storage tray | — | 2013-03-19 |
| D670117 | Electronic key recharging box | — | 2012-11-06 |
| D670118 | Electronic key recharging cabinet | — | 2012-11-06 |
| D663145 | Key box | — | 2012-07-10 |
| D663146 | Key cabinet | — | 2012-07-10 |
| 7698916 | Lock | — | 2010-04-20 |
| D579318 | Key for an electronic lock | — | 2008-10-28 |
| 6895792 | Electronic locking system | — | 2005-05-24 |
| 6718806 | Electronic locking system with emergency exit feature | — | 2004-04-13 |
| 6615625 | Electronic locking system | — | 2003-09-09 |
| 6604394 | Electronic locking system | — | 2003-08-12 |
| 6564600 | Electronic access control device | — | 2003-05-20 |
| 6474122 | Electronic locking system | — | 2002-11-05 |
| D457051 | Key for electronic lock | — | 2002-05-14 |
| D435407 | Garden tool | Thomas L. Yager, Mark A. McLean | 2000-12-26 |
| 4801789 | Replaceable reader head for optical code reader | — | 1989-01-31 |
| D296330 | Optical code reader | Michael G. Brorby, Mathew E. Misch | 1988-06-21 |
| 4721849 | Portable programmable optical code reader | Michael J. Brorby | 1988-01-26 |