Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7503597 | Midrail mounted exit device | Eric K. Arthur, Marlin Austin, Loren D. Mueller | 2009-03-17 |
| 7118141 | Apparatus and method for securing an exit device to a door | Eric K. Arthur, Marlin Austin, Loren D. Mueller | 2006-10-10 |
| 7000954 | Midrail mounted exit device | Eric K. Arthur, Marlin Austin, Loren D. Mueller | 2006-02-21 |
| D496577 | Door exit device | Eric K. Arthur, Marlin Austin, Loren D. Mueller | 2004-09-28 |
| 6769723 | Midrail mounted exit device | Eric K. Arthur, Marlin Austin, Loren D. Mueller | 2004-08-03 |
| 5927765 | Dogging device for a latch assembly | Marlin Austin, Stephen M. Rohrbaugh | 1999-07-27 |
| 5682778 | Lead-in device for aiding the installation of rim-type lock cylinders | James Mason, Benjamin H. Akers, III | 1997-11-04 |
| 5464259 | Door latch assembly with meltable fuse mechanism | Gerald E. Mader | 1995-11-07 |
| 5450697 | Removable cylinder locked mullion assembly | Matthew S. Prucinsky, Roger A. Vitt | 1995-09-19 |
| 5129698 | Tarp cover system with lever-operated locking and brake means | Richard Gothier, Kerry W. Stadtfeld | 1992-07-14 |
| 5067757 | Panic exit device having noise suppression | Paul J. Haeck, Gary R. Jacobs | 1991-11-26 |
| 5024472 | Flushbolt actuator assembly | — | 1991-06-18 |
| 4974890 | Universal assembly for top and bottom latches, in vertical-rod exit devices, and top and bottom latches for such devices | — | 1990-12-04 |
| 4949505 | Door cordinator | — | 1990-08-21 |
| 4741563 | Center case assembly, and a universal, center case sub-assembly | — | 1988-05-03 |
| 4624120 | Key-operated, exit alarm, switch cam assembly and modification kit and modification method for switch cam assemblies | Herbert W. Hoffman, William P. Dye | 1986-11-25 |