David J. Runnels

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Orange, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Bicycle with rhombus-like gear with circularly curved apexes
- Patent number 5,882,025
- Issue date Mar 16, 1999
- David J. Runnels
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...