Patents by Inventor Wai Bun Choi

Wai Bun Choi 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).

  • Toy glider
    Patent number: 7341499
    Abstract: A toy glider including a shaft, a roller attached to a first end of the shaft, and a housing attached to a second opposing end of the shaft. The roller, a front end portion of the housing, and other portions of the toy glider are interchangeable to create a variety of different designs.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: March 11, 2008
    Assignee: Worldmarks Limited
    Inventors: Anatol Wizenberg, Peter Dean, Wai Bun Choi, Ming To Chan, Lai Hong Man
  • Toy glider
    Patent number: D536744
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: February 13, 2007
    Assignee: Worldmarks Limited
    Inventors: Anatol Wizenberg, Peter Dean, Wai Bun Choi, Ming To Chan, Lai Hong Man
  • Weather station
    Patent number: D560125
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: January 22, 2008
    Assignee: OneWorld Enterprises Limited
    Inventor: Wai Bun Choi
  • Keyboard
    Patent number: D948508
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: April 12, 2022
    Assignee: Logitech Europe S.A.
    Inventor: Wai Bun Choi
  • Keyboard
    Patent number: D964989
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: September 27, 2022
    Assignee: Logitech Europe S.A.
    Inventor: Wai Bun Choi
  • Keyboard
    Patent number: D981409
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: March 21, 2023
    Assignee: Logitech Europe S.A.
    Inventor: Wai Bun Choi
  • Palm rest
    Patent number: D999773
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: September 26, 2023
    Assignee: Logitech Europe S.A.
    Inventors: Wai Bun Choi, Lan Szu-Ting, Mark Starrett, Benjamin Ehrenberg, Ram Chaturabul, Kelly Kim, Tania Alvarez Moreno
  • Keyboard
    Patent number: D1017605
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: March 12, 2024
    Assignee: Logitech Europe S.A.
    Inventors: Wai Bun Choi, Lan Szu-Ting, Kelly Kim, Benjamin Ehrenberg, Mark Starrett