Stephen J. Nigro

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Wethersfield, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods of making steel abrading elements for mass finishing of wor...
- Patent number 4,835,911
- Issue date Jun 6, 1989
- The Abbott Ball Company
- Roger A. L. Bond
- B24 - GRINDING POLISHING
Information Patent Grant
Steel abrading elements for mass finishing of workpieces and method...
- Patent number 4,736,547
- Issue date Apr 12, 1988
- The Abbott Ball Company
- Roger A. L. Bond
- B24 - GRINDING POLISHING