4. Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
  5. Hinge
  6. Including means to hold or retard hinged members against...

Wen Hua Chen

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Door closer

Movable or removable closures – With means mounting closure for swinging – With biasing means
Patent

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Pivotal device for door and window

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Including means to hold or retard hinged members against...
Patent

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