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E. Craig Waters
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Lansdale, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Variable area meter insert unit
Patent number
4,245,513
Issue date
Jan 20, 1981
Will Ross, Inc.
Thomas W. Clements
G01 - MEASURING TESTING
Information
Patent Grant
Variable area metering tube and method of manufacture
Patent number
4,194,386
Issue date
Mar 25, 1980
G. D. Searle & Co.
E. Craig Waters
G01 - MEASURING TESTING
Information
Patent Grant
Needle valve assembly
Patent number
4,019,534
Issue date
Apr 26, 1977
Will Ross, Inc.
Thomas W. Clements
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...