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Patricia Neale
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Rochester, MN, US
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last 30 patents
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Patent Grant
Expandable screw apparatus and method thereof
Patent number
6,668,688
Issue date
Dec 30, 2003
Chunfeng Zhao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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last 30 patents
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Patent Application
Expandable screw apparatus and method thereof
Publication number
20030000350
Publication date
Jan 2, 2003
MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH
Chunfeng Zhao
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...