UNISTEEL TECHNOLOGY INTERNATIONAL LIMITED

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0034,048 SELF-TAPPING THREAD FORMING SCREW AND CORRESPONDING THREAD ROLL DIEAbandonedFeb 16, 09Feb 09, 12[F16B, B21H]
2010/0129,176 SCREW HEAD RECESS DRIVE AND CORRESPONDING DRIVER TOOL AND RECESS PUNCHAbandonedApr 30, 08May 27, 10[B25B, F16B, B21J]

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