Davy Tong

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Windsor, CA, US

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Patents Applicationslast 30 patents

Information Patent Application
Self-Retaining Recirculating Ball-Worm and Gear Device
- Publication number 20060156845
- Publication date Jul 20, 2006
- Davy Tong
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...