Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1978-01-03
1980-05-13
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
D10 47, D1004
Patent
active
D02549590
REFERENCES:
patent: D225005 (1972-10-01), Greene
patent: D231739 (1974-06-01), Gauthier
patent: D245584 (1977-08-01), Byram
patent: 1282967 (1918-10-01), Smith
patent: 1771533 (1930-07-01), Foster
patent: 2920485 (1960-01-01), Derganc
patent: 2976730 (1961-03-01), Howell
patent: 3187574 (1965-06-01), Mason
patent: 3586439 (1971-06-01), Treharne
Wahl Temperature Measuring Inst., Cat. .COPYRGT.1978-bottom-right of front cover-"Heatspy"-short form cat. W. 1101D-Rev. A.
Holtje Nelson C.
O'Brian Edward D.
Telatemp Corporation
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