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Oskar Doehler
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Glen Ellyn, IL, US
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last 30 patents
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Patent Grant
Traveling wave tube
Patent number
4,185,225
Issue date
Jan 22, 1980
Northrop Corporation
Oskar F. Doehler
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Crossed-field amplifier
Patent number
4,021,697
Issue date
May 3, 1977
Warnecke Electron Tubes, Inc.
Oskar Doehler
H01 - BASIC ELECTRIC ELEMENTS