Douglas R. French

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Reverse barb system for screws and nails
- Patent number 7,063,491
- Issue date Jun 20, 2006
- Douglas R. French
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Reverse barb system for screws and nails
- Publication number 20040253076
- Publication date Dec 16, 2004
- Douglas R. French
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...