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Mark A. Spielman
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South Norwalk, CT, US
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Patents Grants
last 30 patents
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Patent Grant
Diplexers with low pass filter having distributed and non-distribut...
Patent number
6,873,225
Issue date
Mar 29, 2005
Microphase Corporation
Mark Spielman
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Compact diplexer
Patent number
5,793,265
Issue date
Aug 11, 1998
Microphase Corporation
Mark Alan Spielman
H03 - BASIC ELECTRONIC CIRCUITRY
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Patent Grant
Compact diplexer connection circuit
Patent number
5,548,255
Issue date
Aug 20, 1996
Microphase Corporation
Mark A. Spielman
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
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Patent Application
Diplexers with low pass filter having distributed and non-distribut...
Publication number
20040207483
Publication date
Oct 21, 2004
Mark Spielman
H03 - BASIC ELECTRONIC CIRCUITRY