Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1991-07-08
1993-05-11
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D10 71
Patent
active
D03354610
REFERENCES:
patent: D246441 (1977-11-01), Bergendorff
patent: D263443 (1982-03-01), Reniker et al.
patent: D272711 (1984-02-01), Briset
patent: D292296 (1987-10-01), Wood
patent: 4110911 (1978-09-01), Sucheck
Davis Antoine D.
Douglas Alan P.
Gernstein Terry M.
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