Patents Assigned to John Manufacturing Limited
  • Combined incandescent/fluorescent lantern
    Patent number: 5217297
    Abstract: A lantern has a housing with a front end portion, a handle portion and a base portion with an incandescent bulb and a reflector in the front end portion and a fluorescent tube in the base portion. The base portion can be rotated by means of a rotatable joint through 180.degree. so that, using the front end portion as a base, the fluorescent tube can be positioned and angled to give optimum illumination for any particular use.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: June 8, 1993
    Assignee: John Manufacturing Limited
    Inventor: John 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
  • Multipurpose fluorescent lantern
    Patent number: D328501
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: August 4, 1992
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit 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
  • 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
  • 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
  • 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
  • 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
  • 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