Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Chemical
Patent
1987-01-08
1990-06-19
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Chemical
Patent
active
D03086461
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Aqua Meter Instrument Corporation
Davis Antoine D.
Greigg Edwin E.
Holtje Nelson C.
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