Patents by Inventor Mao-Ye Yan

Mao-Ye Yan 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).

  • Telephone unit
    Patent number: D327886
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: July 14, 1992
    Inventor: Mao-Ye Yan
  • Telephone base unit
    Patent number: D328296
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: July 28, 1992
    Inventor: Mao-Ye Yan
  • Earpiece for use with telephones
    Patent number: D340932
    Type: Grant
    Filed: March 25, 1991
    Date of Patent: November 2, 1993
    Inventor: Mao-Ye Yan