Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Dial gauge or meter
Patent
1988-10-13
1991-05-21
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Dial gauge or meter
D10 85
Patent
active
D03169820
REFERENCES:
patent: D123471 (1940-11-01), Brown
patent: D226024 (1973-01-01), Bell
patent: D242235 (1976-11-01), Redmann
patent: 3060745 (1962-10-01), Riley
patent: 4056156 (1977-11-01), Dayton
patent: 4173150 (1979-11-01), Gray
patent: 4773270 (1988-09-01), Ogasawara et al.
Davis Antoine D.
Dwyer Instruments, Inc.
Holtje Nelson C.
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