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  • Patent applicationPatent approval10-1318590
    610 cases including:
    Doorknob Steel broom handle
  • Patent applicationPatent application10-2015-0099026
    Packing carton (inner carton
    of door lock
  • Patent approvalPatent approval10-1372620
    Locking device for door lock
    Locking pin for doorknob
  • Patent approvalPatent approval10-1183266
    Locking device for door lock
    Locking handle structure for door lock
  • Trademark registrationTrademark registration40-0910778
    610 cases including:
    Doorknob Steel broom handle
  • Trademark registrationTrademark registration40-0910689
    603 cases including:
    Doorknob Steel broom handle
  • venture business confirmationventure business confirmation20140401106
    venture business confirmation