Patents by Inventor Kit Hon Chan

Kit Hon Chan 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).

  • Patent number: 7293728
    Abstract: An electric spice mill comprising a power unit coupled to the motor of the mill, the power unit comprising: (i) first and second electric circuits; (ii) a switch in electrical contact with said first and said second electric circuits; and (iii) an actuator movable between first and second positions, wherein, in the first position, the actuator prevents current flow in the first electric circuit and, in the second position, the actuator allows a first current to flow in the first electric circuit and the switch is responsive to the first current in the first electric circuit to allow a second current to flow in the second electric circuit such that the grinding unit of the mill is driven by the motor.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: November 13, 2007
    Assignee: Trudeau Corporation 1889 Inc.
    Inventors: Kit Hon Chan, Kam Man Chan, George Bigelow