Patents by Inventor Li-Hwa Lee

Li-Hwa Lee 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).

  • Publication number: 20130026315
    Abstract: A tripod leg adjustment device including a protection cap having a body that is provided with three axially through slots spaced equally around the one circumference of the body, and three pairs of supporting slab with each pair of supporting slabs disposed abut each slot; a rotary disk that is pivotally mounted on the protection cap by an axially mounting means, the rotary disk having three protrusions extends through the three slots with each of the protrusion provided at its free end an inwardly inclined slope; leg sleeves, with each of the leg sleeve pivotally mounting on a pair of supporting slabs, wherein one end of the leg sleeve provided with a rounded portion and with at least two laterally disposed guiding slope portions in different inclining angles that are complementary to the inwardly inclined slope on the protrusion.
    Type: Application
    Filed: September 26, 2011
    Publication date: January 31, 2013
    Applicant: Foshan Nanhai Chevan Optical Electronics Co., Ltd.
    Inventor: Li-Hwa Lee
  • Patent number: 6254044
    Abstract: A tabletop tripod is disclosed. The tripod has a base with a cavity defined in one side thereof, a stationary leg fixedly mounted on the base, two pivoting legs pivotally mounted on the base each having a driving means engaging each other received in the cavity of the base and an equipment base with a threaded stud extending upwardly therefrom pivotally mounted on the base to attach a camera. In such an arrangement, the two pivoting legs can be opened up simultaneously to make using the tripod more convenient.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: July 3, 2001
    Inventor: Li-Hwa Lee
  • Patent number: D440584
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: April 17, 2001
    Inventor: Li-Hwa Lee
  • Patent number: D378164
    Type: Grant
    Filed: January 19, 1996
    Date of Patent: February 25, 1997
    Inventor: Li-hwa Lee
  • Patent number: D387077
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: December 2, 1997
    Inventor: Li-hwa Lee
  • Patent number: D395055
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: June 9, 1998
    Inventor: Li-hwa Lee
  • Patent number: D418850
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: January 11, 2000
    Inventor: Li-Hwa Lee
  • Patent number: D421182
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: February 29, 2000
    Inventor: Li-Hwa Lee
  • Patent number: D421333
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: March 7, 2000
    Inventor: Li-Hwa Lee
  • Patent number: D421525
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: March 14, 2000
    Inventor: Li-Hwa Lee
  • Patent number: D423537
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: April 25, 2000
    Inventor: Li-Hwa Lee
  • Patent number: D424083
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: May 2, 2000
    Inventor: Li-Hwa Lee
  • Patent number: D425532
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: May 23, 2000
    Inventor: Li-Hwa Lee
  • Patent number: D427220
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: June 27, 2000
    Inventor: Li-Hwa Lee
  • Patent number: D716912
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: November 4, 2014
    Assignee: Foshan Nanhai Chevan Optical Electronics Co., Ltd.
    Inventor: Li-Hwa Lee