Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1978-03-02
1980-02-26
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
D1004
Patent
active
D02542978
REFERENCES:
patent: D222909 (1972-02-01), Stehl et al.
The Electric Tachometer Corp. Cat., Electric Tachometer Models 120, 7/19/71, p. 9, Digital Speed Indicator at top.
Krukow Eugene J.
Staiert Richard W.
AuBuchon F. David
Holtje Nelson C.
International Harvester Company
Kamp Ronald C.
Wendell William H.
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