Marshall Pommier Schiring

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Lincoln, NE, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic volume control for land mobile radio
- Patent number 11,374,546
- Issue date Jun 28, 2022
- E.F. Johnson Company
- Christian K. Barker
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic volume control for land mobile radio
- Patent number 10,469,047
- Issue date Nov 5, 2019
- E.F. Johnson Company
- Christian K. Barker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic volume control for land mobile radio
- Patent number 9,923,534
- Issue date Mar 20, 2018
- E.F. Johnson Company
- Christian K. Barker
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC VOLUME CONTROL FOR LAND MOBILE RADIO
- Publication number 20200067474
- Publication date Feb 27, 2020
- E.F. Johnson Company
- Christian K. Barker
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AUTOMATIC VOLUME CONTROL FOR LAND MOBILE RADIO
- Publication number 20180205354
- Publication date Jul 19, 2018
- E.F. Johnson Company
- Christian K. Barker
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AUTOMATIC VOLUME CONTROL FOR LAND MOBILE RADIO
- Publication number 20160087597
- Publication date Mar 24, 2016
- E.F. Johnson Company
- Christian K. Barker
- H03 - BASIC ELECTRONIC CIRCUITRY