Douglas H. Beyer

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Redlands, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spectrometer with active beam steering
- Patent number 10,620,045
- Issue date Apr 14, 2020
- SpectraSensors, Inc.
- Alfred Feitisch
- G01 - MEASURING TESTING
Information Patent Grant
Spectrometer with active beam steering
- Patent number 10,309,828
- Issue date Jun 4, 2019
- SpectraSensors, Inc.
- Alfred Feitisch
- G01 - MEASURING TESTING
Information Patent Grant
Spectrometer with active beam steering
- Patent number 9,816,860
- Issue date Nov 14, 2017
- SpectraSensors, Inc.
- Alfred Feitisch
- G01 - MEASURING TESTING
Information Patent Grant
Wireless transmitting pressure measurement device
- Patent number 7,140,257
- Issue date Nov 28, 2006
- Ashcroft Inc.
- John W. Henson
- G01 - MEASURING TESTING
Information Patent Grant
Variable inductance transducer circuit producing an electrical curr...
- Patent number 6,384,596
- Issue date May 7, 2002
- Douglas H. Beyer
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SPECTROMETER WITH ACTIVE BEAM STEERING
- Publication number 20190277691
- Publication date Sep 12, 2019
- SPECTRASENSORS, INC.
- Alfred Feitisch
- G01 - MEASURING TESTING
Information Patent Application
SPECTROMETER WITH ACTIVE BEAM STEERING
- Publication number 20180128678
- Publication date May 10, 2018
- SPECTRASENSORS, INC.
- Alfred Feitisch
- G01 - MEASURING TESTING
Information Patent Application
Spectrometer With Active Beam Steering
- Publication number 20160054177
- Publication date Feb 25, 2016
- Alfred Feitisch
- G01 - MEASURING TESTING