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Erich Marquardt
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Rietheim, DT
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last 30 patents
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Patent Grant
Electrical switch construction
Patent number
4,035,596
Issue date
Jul 12, 1977
J. & J. Marquardt
Erich Marquardt
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Switches
Patent number
3,997,745
Issue date
Dec 14, 1976
Firma J. & J. Marquardt
Erich Marquardt
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrical switch construction
Patent number
3,982,086
Issue date
Sep 21, 1976
Firma J. & J. Marquardt
Erich Marquardt
H01 - BASIC ELECTRIC ELEMENTS