Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1976-12-30
1979-03-20
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
D10 57, D1004
Patent
active
D02513676
REFERENCES:
patent: 3447078 (1969-05-01), Levy
patent: 3545273 (1970-12-01), Friberg
patent: 3646579 (1972-02-01), DiVita
patent: 3934195 (1976-01-01), Shires
patent: 4027236 (1977-05-01), Stewart
Industrial Design-6/74-p. 61-Thermometer at top.
Haefliger William W.
Holtje Nelson C.
Mono-Probe Corporation
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