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).

  • Auxilary brake light for vehicles
    Patent number: D332234
    Type: Grant
    Filed: June 12, 1991
    Date of Patent: January 5, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Rechargeable flashlight
    Patent number: D332321
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: January 5, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Mini fan
    Patent number: D334976
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: April 20, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Reading light
    Patent number: D337171
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: July 6, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Combined digital clock and letter opener
    Patent number: D337276
    Type: Grant
    Filed: October 30, 1991
    Date of Patent: July 13, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Wall-mounted lamp
    Patent number: D337842
    Type: Grant
    Filed: August 21, 1991
    Date of Patent: July 27, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Portable burglar alarm
    Patent number: D337960
    Type: Grant
    Filed: July 25, 1991
    Date of Patent: August 3, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Multi-purpose lantern
    Patent number: D338542
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: August 17, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Multi-purpose rechargeable lantern
    Patent number: D339876
    Type: Grant
    Filed: August 19, 1991
    Date of Patent: September 28, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Adjustable desk lamp
    Patent number: D341672
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: November 23, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Adjustable desk lamp
    Patent number: D341673
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: November 23, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Combined emergency flashlight and AM/FM radio
    Patent number: D341900
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: November 30, 1993
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Emergency night light
    Patent number: D343015
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: January 4, 1994
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Combined transmitter and receiver alarm unit for locating children
    Patent number: D343367
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: January 18, 1994
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Rechargeable emergency light
    Patent number: D343467
    Type: Grant
    Filed: January 7, 1992
    Date of Patent: January 18, 1994
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Rechargeable emergency lantern
    Patent number: D343468
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: January 18, 1994
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Direct plug-in rechargeable light
    Patent number: D343469
    Type: Grant
    Filed: December 5, 1991
    Date of Patent: January 18, 1994
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Double torch
    Patent number: D343470
    Type: Grant
    Filed: April 7, 1992
    Date of Patent: January 18, 1994
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Combined transmitter and receiver for a door chime
    Patent number: D344036
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: February 8, 1994
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen
  • Weather resistant bicycle light
    Patent number: D344148
    Type: Grant
    Filed: June 23, 1992
    Date of Patent: February 8, 1994
    Assignee: John Manufacturing Limited
    Inventor: John S. Yuen