Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1994-01-04
1995-04-11
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Patent
active
D03571963
REFERENCES:
patent: 4111270 (1978-09-01), Fischer et al.
patent: 4705436 (1987-11-01), Robertson
patent: 4724793 (1988-02-01), Sletten
patent: 4854074 (1989-08-01), Johnson et al.
Davis Antoine D.
Douglas Alan P.
Wood-Slimp GmbH
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