Diperstein; David

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Glenside, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-tapping, self-aligning thread repair insert
- Patent number 4,730,968
- Issue date Mar 15, 1988
- Diperstein; David
- David Diperstein
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...