Patents by Inventor Michael E. Tobias

Michael E. Tobias 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).

  • Plant watering method and apparatus
    Patent number: 5493811
    Abstract: An apparatus and method are disclosed which operate to automatically deliver liquid to a plant growing medium in a pot from a receptacle positioned above the plant growing medium. The liquid flows from the receptacle under the influence of gravity and is supplied to the plant growing medium at predetermined drip rate, which may be manually adjusted.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: February 27, 1996
    Inventors: Michael E. Tobias, Samuel Tobias