Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1990-05-25
1993-02-02
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
D10 99, D10 96
Patent
active
D03329232
REFERENCES:
patent: D220187 (1971-03-01), Moran
patent: D226024 (1973-01-01), Bell
patent: 3961316 (1976-06-01), Myer
patent: 4985875 (1991-01-01), Mitchell
patent: 4989222 (1991-01-01), Lutts et al.
George James
Kocol Stanislaw
Mazulis Stan
Mitchell Paul
Polydoris Nicholas G.
Davis Antoine D.
Douglas Alan P.
ENM Company
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