Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1992-04-07
1994-01-11
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Patent
active
D03431312
REFERENCES:
patent: D247428 (1978-03-01), Wood
patent: 2820302 (1958-01-01), Mitchell
patent: 3146529 (1964-09-01), Chamberlin
Davis Antoine O.
Holtje Nelson C.
Kurlandsky Samuel
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