Patents by Inventor Shu Wong Lau

Shu Wong Lau 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).

  • Water-resistant devices incorporating a switch assembly
    Patent number: 7918862
    Abstract: An electric-powered device includes (1) a skin-contactable surface and (2) a body having a water-resistant switch assembly. Preferably, the electric-powered device is useful in skin treatment and delivers mechanical forces on the skin. The switch assembly preferably includes, a substantially planar mount having an aperture, a rotatable shaft extending through the aperture, and a seal lining the aperture to restrict water movement along the shaft.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: April 5, 2011
    Assignee: Johnson & Johnson Consumer Companies, Inc.
    Inventors: Raymond J. Hull, Jr., Shu Wong Lau