Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Radiation – e.g. – geiger counter
Patent
1981-02-12
1983-07-26
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Radiation, e.g., geiger counter
D1004
Patent
active
D02698587
REFERENCES:
patent: D209011 (1967-10-01), Sollima
patent: 2938122 (1960-05-01), Cole
patent: 3665194 (1972-05-01), Alter
patent: 4177378 (1979-12-01), Stevens
patent: 4238684 (1980-12-01), Seidel
Holtje Nelson C.
Terradex Corp.
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