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Richard B. Nelson
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Los Altos Hills, CA, US
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last 30 patents
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Patent Grant
Beam tube with density plus velocity modulation
Patent number
4,611,149
Issue date
Sep 9, 1986
Varian Associates, Inc.
Richard B. Nelson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Aspherical solar cell concentrator
Patent number
4,146,408
Issue date
Mar 27, 1979
Varian Associates, Inc.
Richard B. Nelson
F24 - HEATING RANGES VENTILATING
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Patent Grant
Grid controlled electron source and method of making same
Patent number
3,967,150
Issue date
Jun 29, 1976
Varian Associates
Erling L. Lien
H01 - BASIC ELECTRIC ELEMENTS