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Lee, Chang Chuan patents

The following is a sampling of recent Lee, Chang Chuan patent applications (USPTO Patent Application #, Patent Title) sorted by month.

October 2007 - Lee, Chang Chuan patents

20070245864 - Tracing mechanism of torque adjustable wrenches

August 2007 - Lee, Chang Chuan patents

20070199412 - Slide rod with locking unit

May 2007 - Lee, Chang Chuan patents

20070101832 - Ratchet mechanism for hand tools

October 2006 - Lee, Chang Chuan patents

20060236819 - Pawl structure of a ratchet wrench

September 2006 - Lee, Chang Chuan patents

20060201282 - Torque adjustable socket assembly



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