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Carl F. Klein
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Milwaukee, WI, US
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last 30 patents
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Patent Grant
Capacitance humidity sensor
Patent number
5,408,381
Issue date
Apr 18, 1995
Johnson Service Company
Paul E. Thoma
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
Fabrication of non-conductive charged sensing probe unit
Patent number
4,397,702
Issue date
Aug 9, 1983
Johnson Controls, Inc.
Carl F. Klein
G01 - MEASURING TESTING
Information
Patent Grant
Broad spectrum charged electric field polar gas sensing and detecti...
Patent number
4,387,369
Issue date
Jun 7, 1983
Johnson Controls, Inc.
Carl F. Klein
G08 - SIGNALLING
Information
Patent Grant
Charged non-conductive polar gas sensing element and detection system
Patent number
4,264,331
Issue date
Apr 28, 1981
Johnson Controls, Inc.
Carl F. Klein
G08 - SIGNALLING
Information
Patent Grant
Non-conductive polar gas sensing element and detection system
Patent number
4,247,299
Issue date
Jan 27, 1981
Johnson Controls, Inc.
Carl F. Klein
G01 - MEASURING TESTING
Information
Patent Grant
Sensing element and detection system employing such element for det...
Patent number
3,989,463
Issue date
Nov 2, 1976
Johnson Controls, Inc.
Carl F. Klein
G08 - SIGNALLING