Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1982-04-12
1984-08-07
holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Patent
active
D02749904
REFERENCES:
patent: D254425 (1980-03-01), Nishina
patent: 2478427 (1949-08-01), Schmid
patent: 3318007 (1967-05-01), Goetz
patent: 3877149 (1975-04-01), Masuda
patent: 4094070 (1978-06-01), Tanada
Ash Catalog-#32-.RTM.1981, p. 234-V-Large Head Micrometer at bottom left.
Mitutoyo Cat.-#5000 .RTM.1981, p. 97, Digit Micrometer Head.
Frequency Standards Corp.-Flyer, 10/20/49, Micrometer Head.
Nakadoi Tetsuya
Yamamoto Fumio
Holtje Nelson C.
Mitutoyo Mfg. Co. Ltd.
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