Telescopic wrench extensioner

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5138911
SERIAL NO

07772742

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A telescopic wrench extensioner includes a tubular member with a closed end portion that has a polygonal axial recess which is adapted to engage a socket wrench, and a shaft member having a first end slidably extending into the tubular member and a second end extending out of the tubular member and being provided with an axial socket operating portion that is polygonal in cross section and that is adapted to engage a wrench socket. The shaft member can be maintained at a selected position relative to the tubular member.

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Patent Owner(s)

Patent OwnerAddress
LAN WEN RONGNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lan, Wen-Rong 4th Fl., No. 4, Alley 9, Lane 145, Sec. 4, Hsing-Lung Rd., Taipei City, TW 1 33

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