John V. Fitzgerald

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Metuchen, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
High viscosity transducer for vibratory viscometer
- Patent number 5,317,908
- Issue date Jun 7, 1994
- National Metal Refining Company, Inc.
- John V. Fitzgerald
- G01 - MEASURING TESTING
Information Patent Grant
Vibratory viscometer transducer with isolation support for inline v...
- Patent number 5,157,962
- Issue date Oct 27, 1992
- National Metal and Refining Company, Inc.
- John V. Fitzgerald
- G01 - MEASURING TESTING
Information Patent Grant
Vibratory viscometer transducer with isolation support for inline v...
- Patent number 5,067,344
- Issue date Nov 26, 1991
- Natonal Metal and Refining Company, Inc.
- John V. Fitzgerald
- G01 - MEASURING TESTING
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