Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Patent
1984-07-11
1987-05-05
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Weight, force or density
D24 21, D10 83
Patent
active
D02896184
REFERENCES:
patent: D203491 (1966-01-01), Jones
patent: 2431087 (1947-11-01), Subber
patent: 2624334 (1953-01-01), Epstein
patent: 4380173 (1983-04-01), Wozniak
patent: 4535634 (1985-08-01), Troutman
Holtje Nelson C.
Rexford Dean R.
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