National Metal and Refining Company, Ltd.

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Edison, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Control circuitry for viscosity sensors
- Patent number 5,054,313
- Issue date Oct 8, 1991
- National Metal and Refining Company, Ltd.
- John V. Fitzgerald
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for determining the viscoelasticity of liquids
- Patent number 4,754,640
- Issue date Jul 5, 1988
- National Metal and Refining Company, Ltd.
- J. Vincent Fitzgerald
- G01 - MEASURING TESTING
Information Patent Grant
Rotational vibratory viscometer transducer and circuit
- Patent number 4,566,181
- Issue date Jan 28, 1986
- National Metal and Refining Company, Ltd.
- Frank J. Matusik
- G01 - MEASURING TESTING
Information Patent Grant
In-line vibratory viscometer-densitometer
- Patent number 4,524,610
- Issue date Jun 25, 1985
- National Metal and Refining Company, Ltd.
- J. Vincent Fitzgerald
- G01 - MEASURING TESTING
Information Patent Grant
Rotational vibratory viscometer transducer and circuit
- Patent number 4,488,427
- Issue date Dec 18, 1984
- National Metal and Refining Company, Ltd.
- Frank J. Matusik
- G01 - MEASURING TESTING
Information Patent Grant
Incremental rotary viscometer
- Patent number 4,299,119
- Issue date Nov 10, 1981
- National Metal and Refining Company, Ltd.
- J. Vincent Fitzgerald
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

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