Richard W. Van Der Drift

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Larkspur, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fastener assembly including a self-locking ratchet nut
- Patent number 5,713,708
- Issue date Feb 3, 1998
- Richard W. Van derDrift
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Self-locking threaded connecting device
- Patent number 5,538,378
- Issue date Jul 23, 1996
- Richard W. Van Der Drift
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...