Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1993-07-13
1994-07-05
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D10 64
Patent
active
D03484068
REFERENCES:
patent: D192383 (1962-03-01), Rogers
patent: D266820 (1982-11-01), Ferrin
patent: 364508 (1887-06-01), Griffiths
patent: 5142787 (1992-09-01), Dadisman
Davis Antoine D.
Douglas Alan P.
Liauh W. Wayne
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