John F. Bridge

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Worthington, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for centering two concentric cylinders
- Patent number 4,231,823
- Issue date Nov 4, 1980
- H. C. Price Co.
- Milburn L. Hart
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for centering two concentric cylinders
- Patent number 4,141,130
- Issue date Feb 27, 1979
- H. C. Price Co.
- Milburn L. Hart
- G01 - MEASURING TESTING