Steven J. Johnson

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for determining the viscosity of a fluid in a...
- Patent number 6,446,494
- Issue date Sep 10, 2002
- Caldon, Inc.
- Calvin R. Hastings
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for determining the viscosity of a fluid in a...
- Patent number 6,227,040
- Issue date May 8, 2001
- Caldon, Inc.
- Calvin R. Hastings
- G01 - MEASURING TESTING
Information Patent Grant
Secondary system modeling and method for a nuclear power plant trai...
- Patent number 4,042,813
- Issue date Aug 16, 1977
- Westinghouse Electric Corporation
- Steven J. Johnson
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for determining the viscosity of a fluid in a...
- Publication number 20010039830
- Publication date Nov 15, 2001
- Calvin R. Hastings
- G01 - MEASURING TESTING