CHIU, PEI-LIANG

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4391020 Gravity return hinge having an axle rod in an axle sleeveExpiredJun 03, 81Jul 05, 83[E05F]
4259763 Bilateral swingable self-closing door hinge with common bolting axleExpiredApr 18, 79Apr 07, 81[E05F]
4228562 Bilateral swingable self-closing door hingeExpiredSep 25, 78Oct 21, 80[E05F]
4200957 Self-closing door hingeExpiredMay 19, 78May 06, 80[E05F]

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