F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 25/00 (2006.01) F16B 33/02 (2006.01)
Patent
CA 2183211
A screw includes a shank and a head formed to a first end thereof and a second end of the shank is a sharp end, the shank having a threaded portion defined in an outer periphery thereof, the threaded portion having in at least one section thereof a plurality of radially defined cutting teeth.
Chu Yao-Ching
Chu Yung-Chang
Bull Housser & Tupper Llp
Chu Yao-Ching
Chu Yung-Chang
LandOfFree
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