Edward Howard

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Westmount, CA

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Patents Grantslast 30 patents

Information Patent Grant
Conical worm gear for a multi-speed bicycle drive mechanism
- Patent number 4,831,889
- Issue date May 23, 1989
- Wheled Holdings Inc.
- Edward Howard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...