Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Patent
1984-06-13
1987-05-12
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Weight, force or density
Patent
active
D02897440
REFERENCES:
patent: D258122 (1981-02-01), Sinn
patent: D260376 (1981-08-01), Lawing
patent: D260973 (1981-09-01), Lawing
patent: D274795 (1984-07-01), Wirth
patent: 4542799 (1985-09-01), Komoto
Circuits & Systems, Inc.-Flyer-"CMP" Series Computerized Portable Digital Bench Scales-5/1/80-Scale at center.
NCI-Brochure-8/21/80-Scales on front cover, inside cover, and inside page.
Toledo Scale Co. Flyer-"The Prospectors.TM."-1/28/81-Scale on front.
Ktron-Brochure-2/84-Scales inside.
Douvas A. G.
Holtje Nelson C.
Pelouze Scale Co.
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