Patents by Inventor John S. Yuen

John S. Yuen 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 fluorescent lantern, spotlight, and emergency blinking light
    Patent number: D321568
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: November 12, 1991
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Water resistant multi-function lantern
    Patent number: D322137
    Type: Grant
    Filed: June 15, 1989
    Date of Patent: December 3, 1991
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Waterproof flashlight
    Patent number: D322141
    Type: Grant
    Filed: January 8, 1990
    Date of Patent: December 3, 1991
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Combined fluorescent lantern and clip
    Patent number: D322681
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: December 24, 1991
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Multipurpose fluorescent lantern
    Patent number: D322682
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: December 24, 1991
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Direct plug-in rechargeable light
    Patent number: D324110
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: February 18, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Combined flashlight, blinker, and audible alarm
    Patent number: D325644
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: April 21, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Waterproof spotlight
    Patent number: D325788
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: April 28, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Rechargeable power failure light
    Patent number: D326923
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: June 9, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Combined air ionizer and cleaner
    Patent number: D327537
    Type: Grant
    Filed: June 12, 1991
    Date of Patent: June 30, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Combined flashlight and pen
    Patent number: D327704
    Type: Grant
    Filed: July 2, 1990
    Date of Patent: July 7, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Multi-function lantern
    Patent number: D328144
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: July 21, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Rechargeable emergency light
    Patent number: D328145
    Type: Grant
    Filed: November 14, 1990
    Date of Patent: July 21, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Portable fan
    Patent number: D329088
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: September 1, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Multipurpose fluorescent lantern
    Patent number: D329504
    Type: Grant
    Filed: October 16, 1990
    Date of Patent: September 15, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Combined blinker lantern and insect killer
    Patent number: D329682
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: September 22, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Combined flashlight and blinker
    Patent number: D330775
    Type: Grant
    Filed: August 12, 1987
    Date of Patent: November 3, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Infra-red heat pain reliever
    Patent number: D331288
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: November 24, 1992
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Combined radio and flashlight
    Patent number: D332319
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: January 5, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Multi-purpose lantern
    Patent number: D332323
    Type: Grant
    Filed: May 29, 1991
    Date of Patent: January 5, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen