Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Patent
1977-01-03
1979-09-11
Roltje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Weight, force or density
D 8354, D1007
Patent
active
D02528614
REFERENCES:
patent: D201263 (1965-06-01), Chambers
patent: D241614 (1976-09-01), Wallace
patent: 2309232 (1943-01-01), Baker
patent: 2595562 (1952-05-01), Becker
patent: 2741448 (1956-04-01), Beckwith
patent: 3107889 (1963-10-01), Peterson
Corning Glass Works
Patty, Jr. Clarence R.
Roltje Nelson C.
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