Patents by Inventor Ping Lin Lin

Ping Lin Lin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6857198
    Abstract: A housing of measuring tape compromising a supporting a hard plastic shell, a buffer soft plastic shell and two impact proof side metal covers, the supporting hard plastic shell and the buffer soft plastic shell can be injected together or stuck together after being injected separately for the right, left body of the measuring tape. During assembling, screws are applied in both directions to have the tape wheel, the elastic component, the tape lock/automatic rewind switch and all the components installed inside the right, left body, then to have the impact proof side metal covers installed on both external sides of the right, left body. The screw holes are covered by the impact proof side metal covers, such structure make the housing with light weight, impact proof and not easy to disperse characters.
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: February 22, 2005
    Assignee: Top-Long Industrial Co., Ltd.
    Inventor: Ping Lin Lin
  • Patent number: D401873
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: December 1, 1998
    Inventor: Ping Lin Lin