Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1983-01-17
1985-07-30
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
D10 60, D10102
Patent
active
D02798697
REFERENCES:
patent: D181053 (1957-09-01), Hauser
patent: D187714 (1960-04-01), Taylor
patent: D214202 (1969-05-01), Stahel
patent: D251482 (1979-04-01), Sugiyama
patent: 3681992 (1972-08-01), Cofoid
patent: 3709039 (1973-01-01), Preiser
patent: 4207768 (1980-06-01), Henss
Holtje Nelson C.
Tanaka Manufacturing Co. Ltd.
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