Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1980-05-19
1984-08-14
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
Patent
active
D02750848
REFERENCES:
patent: D96946 (1935-09-01), Von Nessen
patent: D155853 (1949-11-01), Wappner
patent: D186661 (1959-11-01), Baldwin et al.
patent: D256563 (1980-08-01), Goldman et al.
patent: D258272 (1981-02-01), Goldman et al.
patent: 2035634 (1936-03-01), Brown
patent: 2482228 (1949-09-01), Wappner
patent: 2552257 (1951-05-01), Chaney
patent: 2879666 (1959-03-01), Brown
patent: 4169382 (1979-10-01), Goldman et al.
Di Marchi Silvio J.
Gilmore Arthur
Goldman Jerome N.
Goldman Marvin A.
Holtje Nelson C.
Penn-Plax Plastics, Inc.
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