Patents Assigned to John Manufacturing Limited
  • Personal security alarm with twin lights
    Patent number: 5859582
    Abstract: A personal security alarm device includes a flashlight having a main housing with a bulb and reflector, a battery compartment and an actuation switch. A sub-housing is pivotally mounted in an L-shaped cut out portion at the lower front end of the main housing. An audible alarm is mounted in the main housing and is energized by pulling a handle to extract a contact pin from the housing and close a pair of electrical contacts.
    Type: Grant
    Filed: January 24, 1996
    Date of Patent: January 12, 1999
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Combination light and alarm clock
    Patent number: D388713
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: January 6, 1998
    Assignee: John Manufacturing Limited
    Inventor: Se Kit Yuen
  • Combined fluorescent lantern and spotlight
    Patent number: D390986
    Type: Grant
    Filed: January 14, 1997
    Date of Patent: February 17, 1998
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Rechargeable lantern
    Patent number: D393088
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: March 31, 1998
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Sensor night light
    Patent number: D393912
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: April 28, 1998
    Assignee: John Manufacturing Limited
    Inventor: Se Kit Yuen
  • Rechargeable lantern
    Patent number: D393915
    Type: Grant
    Filed: July 30, 1996
    Date of Patent: April 28, 1998
    Assignee: John Manufacturing Limited
    Inventor: Se Kit Yuen
  • Twins spotlight
    Patent number: D394123
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: May 5, 1998
    Assignee: John Manufacturing Limited
    Inventor: Se Kit Yuen
  • Rotatable head light
    Patent number: D394720
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: May 26, 1998
    Assignee: John Manufacturing Limited
    Inventor: Se Kit Yuen
  • Combined fluorescent light and radio
    Patent number: D394911
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: June 2, 1998
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Combined night light and insect repeller
    Patent number: D395529
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: June 23, 1998
    Assignee: John Manufacturing Limited
    Inventor: Se Kit Yuen
  • Fresh air ionizer
    Patent number: D396529
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: July 28, 1998
    Assignee: John Manufacturing Limited
    Inventor: Se Kit Yuen
  • Battery operated pencil sharpener
    Patent number: D400586
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: November 3, 1998
    Assignee: John Manufacturing Limited
    Inventor: Se Kit Yuen
  • Water resistant lantern
    Patent number: D404158
    Type: Grant
    Filed: March 2, 1998
    Date of Patent: January 12, 1999
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Multi-function lantern
    Patent number: D405902
    Type: Grant
    Filed: October 20, 1997
    Date of Patent: February 16, 1999
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Combined light and toolbox
    Patent number: D406668
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: March 9, 1999
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Rechargeable emergency light
    Patent number: D406914
    Type: Grant
    Filed: April 1, 1998
    Date of Patent: March 16, 1999
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Rechargeable emergency light
    Patent number: D407170
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: March 23, 1999
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Combined water resistant fluorescent and signal lantern
    Patent number: D407171
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: March 23, 1999
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Rechargeable torch
    Patent number: D407509
    Type: Grant
    Filed: June 17, 1998
    Date of Patent: March 30, 1999
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen
  • Spotlight
    Patent number: D407514
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: March 30, 1999
    Assignee: John Manufacturing Limited
    Inventor: John Se-Kit Yuen