Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8215685 | Double draw bar spring mechanism | — | 2012-07-10 |
| 7770948 | Tubular lock latch assembly | — | 2010-08-10 |
| 7607328 | Low profile deadbolt assembly | — | 2009-10-27 |
| 7604266 | Spindle assembly for use in a door handle assembly | — | 2009-10-20 |
| 7347462 | Door handle assembly including auxiliary bearing and auxiliary bearing support for a door handle | David Ebert | 2008-03-25 |
| 5820178 | Spring retainer for lock mechanism | Leslie A. Meck | 1998-10-13 |
| 5782119 | Biased detent for door knob assembly | Leslie A. Meck | 1998-07-21 |
| 5749612 | Oval door knob construction | Leslie A. Meck | 1998-05-12 |
| 5688005 | Door knob spindle with spring | — | 1997-11-18 |
| 5685583 | Door knob construction | Leslie A. Meck | 1997-11-11 |
| 5620211 | Latch with adjustable backset | — | 1997-04-15 |
| D363204 | Handleset | Martin S. Van Doren | 1995-10-17 |
| D362609 | Door handleset | Martin S. Van Doren | 1995-09-26 |
| D362610 | Handleset | Martin S. Van Doren | 1995-09-26 |
| D362380 | Door handleset | Martin S. Van Doren | 1995-09-19 |
| 5351513 | Double cylinder deadbolt | — | 1994-10-04 |
| 5259652 | Door latch assembly | Richard S. Adams, Jay L. Snavely | 1993-11-09 |