Patents by Inventor Hee Wing Lau

Hee Wing Lau 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).

  • Lawn mower handle
    Patent number: D845352
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: April 9, 2019
    Assignee: TTI (MACAO COMMERCIAL OFFSHORE) LIMITED
    Inventor: Hee Wing Lau
  • Lawn mower
    Patent number: D862525
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: October 8, 2019
    Assignee: TTI (MACAO COMMERCIAL OFFSHORE) LIMITED
    Inventor: Hee Wing Lau
  • Lawn mower handle
    Patent number: D864257
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: October 22, 2019
    Assignee: TTI (MACAO COMMERCIAL OFFSHORE) LIMITED
    Inventor: Hee Wing Lau