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Douglas E. Ehlers
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Lincoln, NE, US
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for monitoring a person
Patent number
9,558,641
Issue date
Jan 31, 2017
J. Brasch Co.
John J Brasch
G08 - SIGNALLING
Information
Patent Grant
Voice security between a composite channel telephone communications...
Patent number
6,256,491
Issue date
Jul 3, 2001
Transcript International, Inc.
Douglas E. Ehlers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Carrier based data operated squelch
Patent number
5,844,938
Issue date
Dec 1, 1998
Transcrypt International, Inc.
Mark R. Hupp
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Phase lock loop based system and method for decomposing and trackin...
Patent number
5,710,720
Issue date
Jan 20, 1998
Board of Regents of the University of Nebraska
Marcelo C. Algrain
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
System And Method For Monitoring A Person
Publication number
20170140630
Publication date
May 18, 2017
J. Brasch Co., LLC
John Joseph Brasch
G08 - SIGNALLING
Information
Patent Application
System and Method for Monitoring a Person
Publication number
20160196733
Publication date
Jul 7, 2016
J. Brasch Co., LLC
John J. Brasch
G08 - SIGNALLING
Information
Patent Application
Radio control over internet protocol system
Publication number
20060067266
Publication date
Mar 30, 2006
Douglas Edward Ehlers
H04 - ELECTRIC COMMUNICATION TECHNIQUE