Jeffrey Douglas Johnson

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Sisters, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems, devices and methods to communicate public safety information
- Patent number 9,913,121
- Issue date Mar 6, 2018
- Jeffrey Douglas Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, devices and methods to communicate public safety information
- Patent number 9,135,808
- Issue date Sep 15, 2015
- Jeffrey Douglas Johnson
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS, DEVICES AND METHODS TO COMMUNICATE PUBLIC SAFETY INFORMATION
- Publication number 20160135029
- Publication date May 12, 2016
- Jeffrey Douglas Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS, DEVICES AND METHODS TO COMMUNICATE PUBLIC SAFETY INFORMATION
- Publication number 20150264550
- Publication date Sep 17, 2015
- Jeffrey Douglas Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS, DEVICES AND METHODS TO COMMUNICATE PUBLIC SAFETY INFORMATION
- Publication number 20150206419
- Publication date Jul 23, 2015
- Jeffrey Douglas Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS, DEVICES AND METHODS TO COMMUNICATE PUBLIC SAFETY INFORMATION
- Publication number 20140167954
- Publication date Jun 19, 2014
- Jeffrey Douglas Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE