Patents by Inventor Piao-Lung Yu

Piao-Lung Yu 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).

  • Shunting socket for telephones
    Patent number: 6755695
    Abstract: A shunting socket for telephones is composed of a body and two receptacles respectively installed at two sides of the body. The receptacles are rotatable about the body to locate their notches at the top side, so that mounting cords connected in the notches will not trip someone passing by the shunting socket.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: June 29, 2004
    Assignee: Tsay-E International Inc.
    Inventor: Piao-Lung Yu
  • Telephone line connector
    Patent number: D481010
    Type: Grant
    Filed: November 11, 2002
    Date of Patent: October 21, 2003
    Assignee: Tsay-E International Inc.
    Inventor: Piao-Lung Yu
  • Telephone line connector
    Patent number: D493167
    Type: Grant
    Filed: November 11, 2002
    Date of Patent: July 20, 2004
    Assignee: Tsay-E International Inc.
    Inventor: Piao-Lung Yu
  • Telephone line connector
    Patent number: D493168
    Type: Grant
    Filed: November 11, 2002
    Date of Patent: July 20, 2004
    Assignee: Tsay-E International Inc.
    Inventor: Piao-Lung Yu