Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1993-01-14
1994-05-31
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D10 70
Patent
active
D03473945
REFERENCES:
patent: D212259 (1968-09-01), Milan
patent: D224146 (1972-07-01), Milan
patent: 4006626 (1977-02-01), Ruzicka et al.
patent: 5222391 (1993-06-01), Reiter
Curran Daniel C.
Schlesinger Daniel J.
Davis Antoine D.
Douglas Alan P.
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