Tube expander

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4781046
SERIAL NO

07156530

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A tube expander capable of simultaneously applying a plurality of selected radial pressures outwardly at a plurality of sections of a tube interior to provide selected expansions of the sections of the tube.

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Patent Owner(s)

  • O'DONNELL & ASSOCIATES, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Porowski, Jan S Pittsburgh, PA 15 141

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