Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1978-03-02
1980-04-08
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D10 70, D1004
Patent
active
D02546566
REFERENCES:
patent: 2520022 (1950-08-01), Vobeda
patent: 2717451 (1955-09-01), Gondek
patent: 2855686 (1958-10-01), Zelnick
patent: 2893130 (1959-07-01), Ierokomos
patent: 3018557 (1962-01-01), Nakata
patent: 3753295 (1973-08-01), Hecklinger
Holtje Nelson C.
Mitutoyo Mfg. Co. Ltd.
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