Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1978-02-23
1980-04-22
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
D1004
Patent
active
D02547791
REFERENCES:
patent: D219918 (1971-02-01), Mongodin
patent: 3139753 (1964-07-01), Brudner
Industrial Design, 6/74, p. 61, Digital Thermometer at top.
Lawrence William J.
Sulek Eugene J.
Holtje Nelson C.
McCord William K.
Sadacca Stephen S.
Sharp Mel
Texas Instruments Incorporated
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