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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Ho; Kwok Kwong
Address:
Ap Lei Chau Estate, HK
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
6637987 Drill bit October 28, 2003
A drill bit capable of axial cutting as well as side cutting, having a generally cylindrical elongate body with a bit diameter, includes a frontmost drilling end for axial cutting, a cutting section extending from the drilling end for side cutting, and a shank extending from the cutting










 
 
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