Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1982-05-25
1985-05-07
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Patent
active
D02786915
REFERENCES:
patent: D249655 (1978-09-01), Gullaksen
patent: D263205 (1982-03-01), Kennedy
patent: 973078 (1910-10-01), Seavy
patent: 1881651 (1932-10-01), Judge
patent: 2528431 (1950-10-01), Greenberg
patent: 2896333 (1959-07-01), Kivela
patent: 3858325 (1975-01-01), Goerler
patent: 4138820 (1979-02-01), O'Connor
Popular Science, 12/75, p.77, Chainchecker at top.
Plastic Merchandising, 2/52-p. 31, Bolt & Nut Gage at botttom left.
Holtje Nelson C.
Sorrell Sonia
Zugelter Frank L.
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