Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1979-08-23
1982-09-14
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
D10 46, D10 75, D1004
Patent
active
D02661535
REFERENCES:
patent: D195260 (1963-05-01), Armbruster
patent: D208193 (1967-08-01), Lang
patent: D209825 (1968-01-01), Smith
patent: D215562 (1969-10-01), Sato
patent: D218117 (1970-07-01), Sato
patent: D218118 (1970-07-01), Sato
patent: D220361 (1971-03-01), Simpkins
patent: D227680 (1973-07-01), Fischer
patent: D247480 (1978-03-01), Gilson
patent: D248457 (1978-07-01), Cullinane
Industrial Equip. News -5/79 -p. 35-test inst. at top.
Alexandrova Klavdia N.
Demina Raisa P.
Smyshlyaev Vladimir V.
Suslov Alexandr D.
Zalessky Eduard A.
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