Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9771738 | Flat-bladed key | Peter H. Field | 2017-09-26 |
| 9416561 | Cylinder lock configured to be operated by a flat-bladed key | Peter H. Field | 2016-08-16 |
| 9359793 | Cylinder lock with internal slider and key therefore | Peter H. Field | 2016-06-07 |
| 8978428 | Apparatus for automatically returning a lock to a desired orientation | Doug Trent | 2015-03-17 |
| 8186194 | Cylinder lock and auxiliary locking mechanism | Peter H. Field, David P. Sutherland, Mark Benzie, Walt Dannhardt, Kevin Galliher +2 more | 2012-05-29 |
| 7895865 | Cylinder lock assembly with a tailpiece rotationally coupled to the cylinder plug | Mark Benzie, Dan Boadwine, Clyde T. Roberson, Doug Trent, Peter H. Field | 2011-03-01 |
| 6945082 | Key blank, key and master keying system | Peter H. Field, Andy Perkins, Anthony Hicks, Mark Benzie, Clyde T. Roberson +3 more | 2005-09-20 |