Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1989-05-08
1991-06-11
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
Patent
active
D03174140
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Cole-Palmer Heat Spy Infrared Thermometer, .COPYRGT.1987, pp. 835, 836.
DeFrank Michael P.
Everest Charles E.
Lanci Dennis M.
Matsuura David G.
Davis Antoine D.
Holtje Nelson C.
IVAC Corporation
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