Joel E. Di Marco

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Culver City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Combined primary and secondary sine bars
- Patent number 4,679,329
- Issue date Jul 14, 1987
- Wesley R. Goldsmith
- G01 - MEASURING TESTING
Information Patent Grant
Sine-bar gage-blocks and direct reading micrometer adjustment
- Patent number 4,389,785
- Issue date Jun 28, 1983
- Wesely R. Goldsmith
- G01 - MEASURING TESTING