Patents by Inventor Kan Tam

Kan Tam 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).

  • Calculator
    Publication number: 20070164108
    Abstract: A foldable calculator comprising: (i) a main body having an upper cover with a rectangular recess on the outer surface of the upper cover, a lower cover; and a hinge joining the upper cover and the lower cover together, (ii) a display screen, (iii) a keyboard having a first key set (frequently used keys) with relatively large key pressing areas and a second key set (infrequently used keys) with relatively smaller key pressing areas, and (iv) a retractable support member, wherein the upper cover is openable at an angle from the lower cover suitable for a user to view the display screen when the retractable support member is open, and the retractable support member is retractable into the rectangular recess on the outer surface of the upper cover when the retractable support member is not in use.
    Type: Application
    Filed: July 6, 2006
    Publication date: July 19, 2007
    Applicant: Truly Electronics Manufacturing Limited
    Inventors: Kan Tam, Shi Zou, Yuen Lai, Ka Au
  • Floor cleaner upright portion
    Patent number: D693976
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: November 19, 2013
    Assignee: BISSELL Homecare, Inc.
    Inventors: Wendy Hui Wu, Lawrence Chun-Hei Chu, Gabriel Yik Kan Tam, Christopher John Reinke
  • Floor cleaner base
    Patent number: D700759
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: March 4, 2014
    Assignee: BISSELL Homecare, Inc.
    Inventors: Wency Hui Wu, Lawrence Chun-Hei Chu, Gabriel Yik Kan Tam, Christopher John Reinke
  • Floor cleaner accessory tool
    Patent number: D740507
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: October 6, 2015
    Assignee: BISSELL Homecare, Inc.
    Inventors: Lawrence Chun-Hei Chu, Gabriel Yik Kan Tam, Jing Yang