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Keystone Thermometrics Corporation
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St. Marys, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Impedance converter circuit
Patent number
6,577,139
Issue date
Jun 10, 2003
Keystone Thermometrics
Frank G. Cooper
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low-cost temperature sensor providing relatively high accuracy, a w...
Patent number
6,377,110
Issue date
Apr 23, 2002
Keystone Thermometrics
Frank G. Cooper
G01 - MEASURING TESTING
Information
Patent Grant
Temperature sensor probe
Patent number
5,720,556
Issue date
Feb 24, 1998
Keystone Thermometrics Corporation
Theodore J. Krellner
G01 - MEASURING TESTING