Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Food preparation type
Patent
1983-06-08
1986-02-18
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Food preparation type
D10 81
Patent
active
D02826445
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patent: 3451756 (1969-06-01), Young
patent: 3924948 (1975-12-01), Thoden
Chemical Engineering-7/14/69-p. 68-Color-Matching Machine at top-left.
Coe Roger N.
Holtje Nelson C.
Miles Laboratories Inc.
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