Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Patent
1988-09-30
1991-03-19
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Weight, force or density
Patent
active
D03155250
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Toledo Model 3205, 10/82, p. 11.
Ohaus, Electronic Digital Bench Scale, 1984, cover.
Cobos S.A.
Davis Antoine D.
Holtje Nelson C.
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