Patents by Inventor Douglas Espinda

Douglas Espinda 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).

  • Bird seed collector
    Patent number: 6928957
    Abstract: This invention is a bird seed collector providing a suspended reservoir beneath a wild bird feeder.
    Type: Grant
    Filed: November 5, 2003
    Date of Patent: August 16, 2005
    Inventor: Douglas Espinda
  • BIRD SEED COLLECTOR
    Publication number: 20050103278
    Abstract: This invention is a bird seed collector providing a suspended reservoir beneath a wild bird feeder.
    Type: Application
    Filed: November 5, 2003
    Publication date: May 19, 2005
    Inventor: Douglas Espinda