Zehrung; Raymond E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zehrung; Raymond E..The latest application filed is for "method of installation of a request-to-exit (rex) switch".
- Zehrung; Raymond E. - Carson City NV
- Zehrung; Raymond E. - Mound House NV
- Zehrung; Raymond E. - Santa Clara CA
| Patent | Date |
|---|---|
| Method of installation of a request-to-exit (REX) switch Grant 8,178,027 - Zehrung May 15, 2 | 2012-05-15 |
| Request-to-exit (REX) switch Grant 8,058,575 - Zehrung November 15, 2 | 2011-11-15 |
| Electrified cylindrical lock Grant 7,007,527 - Zehrung March 7, 2 | 2006-03-07 |
| Electrified cylindrical lock Grant 7,003,993 - Zehrung February 28, 2 | 2006-02-28 |
| Reversible solenoid Grant 6,856,221 - Zehrung February 15, 2 | 2005-02-15 |
| Request to exit switch for door alarm system Grant 6,784,784 - Zehrung August 31, 2 | 2004-08-31 |
| Electrified mortise lock having a solenoid cradle Grant 6,732,557 - Zehrung May 11, 2 | 2004-05-11 |
| Monitor hinge Grant 6,724,285 - Zehrung April 20, 2 | 2004-04-20 |
| Electrified emergency exit device having an accessible hold off lock Grant 6,189,939 - Zehrung February 20, 2 | 2001-02-20 |
| Hinge for passing power Grant 5,727,960 - Zehrung March 17, 1 | 1998-03-17 |
| Arm sling Grant 5,651,143 - Zehrung July 29, 1 | 1997-07-29 |
| Power transfer hinge Grant 5,586,895 - Zehrung December 24, 1 | 1996-12-24 |
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