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Paul H. Froehling
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Franklin, WI, US
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last 30 patents
Information
Patent Grant
Humidity detector calibration method
Patent number
6,230,543
Issue date
May 15, 2001
Johnson Controls Technology Co.
Paul H Froehling
G01 - MEASURING TESTING
Information
Patent Grant
Elastomer type low pressure sensor
Patent number
5,090,246
Issue date
Feb 25, 1992
Johnson Service Corp.
Jeannine O. Colla
G01 - MEASURING TESTING
Information
Patent Grant
Direct digital control apparatus for automated monitoring and contr...
Patent number
4,497,031
Issue date
Jan 29, 1985
Johnson Service Company
Paul H. Froehling
F24 - HEATING RANGES VENTILATING
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Patent Grant
Data communications systems employing redundant series transmission...
Patent number
4,159,470
Issue date
Jun 26, 1979
Johnson Controls, Inc.
Lawrence J. Strojny
H04 - ELECTRIC COMMUNICATION TECHNIQUE