Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent
1977-03-18
1979-04-03
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Temperature, humidity, atmospheric condition
D10102, D1004
Patent
active
D02514826
REFERENCES:
patent: D82684 (1930-12-01), MacGahan
patent: D156094 (1949-11-01), Hallard
patent: D195783 (1963-07-01), Woods
patent: D223404 (1972-04-01), Schwartz
patent: D240512 (1976-07-01), Erisman
patent: 3768314 (1973-10-01), Metzler
Holtje Nelson C.
Oldham Vern L.
Yazaki Sogyo Kabushiki Kaisha
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