Patents by Inventor Long Dinh Tran

Long Dinh Tran 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).

  • Combined wrist watch and measuring tape
    Patent number: 6094403
    Abstract: A wrist watch is detachably combined with a measuring tape mounted in a casing of light weight materials.
    Type: Grant
    Filed: October 28, 1998
    Date of Patent: July 25, 2000
    Inventors: Long Dinh Tran, Anna Anh Tran
  • Pocket scale
    Patent number: D411961
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: July 13, 1999
    Inventors: Long Dinh Tran, Anna Anh Tran
  • Combined wrist watch and measuring tape
    Patent number: D414431
    Type: Grant
    Filed: August 4, 1998
    Date of Patent: September 28, 1999
    Inventors: Long Dinh Tran, Anna Anh Tran