Patents by Inventor Wing Yuk Ho

Wing Yuk Ho 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).

  • Energy saving lamp
    Patent number: D426323
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: June 6, 2000
    Assignee: Mei Ah Lighting Industrial Limited
    Inventor: Wing Yuk Ho
  • Fluorescent tube
    Patent number: D426325
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: June 6, 2000
    Assignee: Mei Ah Lighting Industrial Limited
    Inventor: Wing Yuk Ho
  • Energy saving lamp
    Patent number: D426652
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: June 13, 2000
    Assignee: Mei Ah Lighting Industrial Limited
    Inventor: Wing Yuk Ho
  • Energy saving lamp
    Patent number: D426653
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: June 13, 2000
    Assignee: Mei Ah Lighting Industrial Limited
    Inventor: Wing Yuk Ho
  • Energy saving lamp
    Patent number: D427334
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: June 27, 2000
    Assignee: Mei Ah Lighting Industrial Limited
    Inventor: Wing Yuk Ho
  • Energy saving lamp
    Patent number: D427695
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: July 4, 2000
    Assignee: Mei Ah Lighting Industrial Limited
    Inventor: Wing Yuk Ho
  • Fluorescent tube
    Patent number: D428502
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: July 18, 2000
    Assignee: Mei Ah Lighting Industrial Limited
    Inventor: Wing Yuk Ho
  • Fluorescent tube
    Patent number: D429010
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: August 1, 2000
    Assignee: Mei Ah Lighting Industrial Limited
    Inventor: Wing Yuk Ho