Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1979-10-29
1981-11-10
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
D10101, D1004
Patent
active
D02617390
REFERENCES:
patent: D195226 (1963-05-01), Busillo
patent: D223775 (1972-06-01), Metzger
patent: D223776 (1972-06-01), Gruett
patent: D241021 (1976-08-01), Bacino
patent: D256000 (1980-07-01), Molijn
patent: 2778223 (1957-01-01), Kimbrell
patent: 2884784 (1959-05-01), Jawett
Emerson Electric Co.
Holtje Nelson C.
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