Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Patent
1989-01-12
1991-09-10
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Weight, force or density
Patent
active
D03197972
REFERENCES:
patent: D197533 (1964-02-01), Rhoades
patent: D201830 (1965-08-01), Mox
patent: D231017 (1974-03-01), Zanuso
patent: 3666031 (1972-05-01), Provi et al.
patent: 4462475 (1984-07-01), Kuskmuk
Housewares, Round Smile Scales, 1/1972, p. 169.
Bergman Donald A.
O'Neil Robert A.
Davis Antoine D.
Holtje Nelson C.
Newell Co.
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