Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D651875 | Universal interface for accessory blades | James A. Keith, Jr. | 2012-01-10 |
| D651874 | Universal interface for accessory blades | James A. Keith, Jr. | 2012-01-10 |
| 7435042 | Flexible and extendable drill bit assembly | Christopher L. White | 2008-10-14 |
| 7316527 | Lockset drilling guide | David J. Trettin, Laverne R. Durfee, Kristofor M. Hallee, Jonathan S. Holz, Robert McRorie +1 more | 2008-01-08 |
| 6994498 | Lockset drilling guide | David J. Trettin, Laverne R. Durfee, Kristofor M. Hallee | 2006-02-07 |
| 6910837 | Lockset drilling guide | David J. Trettin, Laverne R. Durfee, Kristofor M. Hallee | 2005-06-28 |
| 5799370 | Adjustable hinge | Kevin C. Brielmann | 1998-09-01 |
| 5791178 | Electrical transmission path for electrical and electro-mechanical locks | L. C. Derek Chamberlain | 1998-08-11 |
| 5676408 | Pocket door latch | — | 1997-10-14 |
| 5463795 | Concealed bearing hinge and method of making same | Thomas R. Carlson | 1995-11-07 |
| 5269162 | Cylinder lock | James E. Robida, Vladimir Freilich | 1993-12-14 |
| 5193308 | Snap-in hinge for doors with hollow metal frames | — | 1993-03-16 |
| 5121950 | Heat activated spring loaded locking bolt for hinged doors and door assemblies employing same | — | 1992-06-16 |
| 5060991 | Door latch assembly with rack and pinion actuating members | Oakley W. Mickle | 1991-10-29 |