Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1991-03-12
1993-04-06
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D10 71
Patent
active
D03345408
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patent: D276706 (1984-12-01), Jenness
patent: D314712 (1991-02-01), Kunz
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patent: 2058091 (1936-10-01), Marsella et al.
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patent: 3439426 (1969-04-01), Wilson
patent: 3678588 (1972-07-01), Isola
patent: 4285135 (1981-08-01), Minozzi
patent: 4607434 (1986-08-01), Francis
patent: 4825559 (1989-05-01), Santos
Amann Christopher
Amann Grace
Davis Antoine D.
Douglas Alan P.
Gernstein Terry M.
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