Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1991-05-31
1993-04-13
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
Patent
active
D03347184
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Basden Wayne
Reagan Donnie
Skalicky Mike
Davis Antoine D.
Douglas Alan P.
Litman Richard C.
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