Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Radiation – e.g. – geiger counter
Patent
1983-07-19
1986-01-21
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Radiation, e.g., geiger counter
D10 78
Patent
active
D02822466
REFERENCES:
patent: D162750 (1951-04-01), Polye
patent: D219753 (1971-01-01), Ruka
patent: D245965 (1977-10-01), Haustad
patent: D273039 (1984-03-01), Behrens
patent: D277835 (1985-03-01), Nonnast
patent: 3467855 (1969-09-01), Rance
patent: 3988663 (1976-10-01), Slough
Metrotech-Flyer-11/2/79-Model 480 Pipe & Cable Locator.
Daniels David J.
Thomas Richard C.
British Gas Corporation
Holtje Nelson C.
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