Patents by Inventor Long-Po Tsai

Long-Po Tsai 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).

  • Pump
    Patent number: D443282
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: June 5, 2001
    Inventor: Long-Po Tsai
  • Pump
    Patent number: D443881
    Type: Grant
    Filed: August 2, 2000
    Date of Patent: June 19, 2001
    Inventor: Long-Po Tsai
  • Pump
    Patent number: D445804
    Type: Grant
    Filed: August 2, 2000
    Date of Patent: July 31, 2001
    Inventor: Long-Po Tsai
  • Pump
    Patent number: D452726
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: January 1, 2002
    Inventor: Long-Po Tsai