Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1990-10-26
1992-11-24
Walsh, Donald P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D10 78
Patent
active
D03312011
REFERENCES:
patent: D254778 (1980-04-01), Kitada et al.
patent: D292493 (1987-10-01), King
patent: D316825 (1991-05-01), Becker
patent: 2384529 (1945-09-01), Breitenstein
patent: 2651846 (1953-09-01), Rodge
patent: 4226620 (1980-10-01), Rothwarf et al.
patent: 5097423 (1992-03-01), Badinger
Davis Antoine D.
DeFelsko Corporation
Walsh Donald P.
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