Hexagonal spanner

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20080110305A1
SERIAL NO

11599557

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A hexagonal spanner having an L shape comprises a short driving portion having a groove at one distal end thereof; and a first tightening unit enclosing around the groove of the short driving portion; an outer diameter of the first tightening unit being greater than a maximum diameter of the short driving portion; and a long driving portion having a groove at one distal end thereof; and a second tightening unit enclosing around the groove; an outer diameter of the second tightening unit being greater than a maximum diameter of the long driving portion.

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Patent Owner(s)

Patent OwnerAddress
TSAI CHENG-CHIEN5F-2 NO 181 SEC 2 MEI TSUN RD SOUTH DISTRICT TAICHUNG CITY R O C

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tsai, Cheng-Chien Taichung, TW 3 1

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