Patents Assigned to Dyaco (Shanghai) Trading Co., Ltd.
  • Multi-function crutch
    Patent number: 9198822
    Abstract: A multi-function crutch comprises a crutch structure, a supporting structure, and one or more additional crutch structures. The crutch structure itself can be used as a crutch. Via the supporting structure, the crutch structure combines one of the one or more additional crutch structures so that it can be used as another type of crutch.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: December 1, 2015
    Assignee: Dyaco (Shanghai) Trading Co., Ltd.
    Inventor: Kuo-Wo Hao