Patents by Inventor Lai Sheung Shiu

Lai Sheung Shiu 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: 20100139160
    Abstract: A plant pot having a built-in soil moisture audio alarm that provides a caretaker of the plant pot with an audio alarm when the moisture in the soil in the plant pot falls below a prescribed level.
    Type: Application
    Filed: December 10, 2008
    Publication date: June 10, 2010
    Inventors: Richard A. Hirsh, Lai Sheung Shiu