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Michael R. Betker
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Holland, PA, US
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last 30 patents
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Patent Grant
Dynamically balanced ionization blower
Patent number
4,757,422
Issue date
Jul 12, 1988
Voyager Technologies, Inc.
Peter R. Bossard
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Wide-range resistance monitoring apparatus and method
Patent number
4,736,157
Issue date
Apr 5, 1988
Voyager Technologies, Inc.
Michael R. Betker
G01 - MEASURING TESTING