Patents by Inventor Thong H. Le

Thong H. Le 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).

  • Adjustable, stackable water sprinkler head
    Patent number: 5630549
    Abstract: An apparatus is provided for distributing water to a lawn or garden. One or several units may be used to provide for custom watering at any point in the garden. With multiple units stacked, a custom watering pattern may be produced. Each unit has provisions for adjusting the angle of dispersion and the amount of water flow independently of each other.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: May 20, 1997
    Inventor: Thong H. Le