Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1975-12-18
1977-06-21
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
D1004
Patent
active
D02447630
REFERENCES:
patent: D201255 (1965-06-01), Czapar
patent: 3425280 (1969-02-01), Foster
American Bicyclist & Motorcyclist - Jan. 1974 - p. 17 - Round Speedometers.
American Bicyclist & Motorcyclist - Jan. 1974 - p. 58 - Round Speedometers.
American Bicyclist & Motorcyclist - Jan. 1974 - p. 74 - Speedometer at top-left.
Douvas Augustus G.
Holtje Nelson C.
Stewart-Warner Corporation
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