Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Patent
1982-06-01
1985-01-08
Ansher, Bernard
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Weight, force or density
73 52
Patent
active
D02770849
REFERENCES:
patent: 900324 (1908-10-01), Swangren
patent: 1640911 (1927-08-01), Skoog
Ansher Bernard
Pfeffer Terry
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