Patents by Inventor Louis Shumaker

Louis Shumaker 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).

  • Multiple hummingbird feeder
    Patent number: 5924382
    Abstract: A multiple hummingbird feeder includes a source of liquid suitable for feeding hummingbirds and a feeding station having at least one outlet adapted to dispense liquid to hummingbirds. A reservoir is connected to both the source of liquid and the feeding station. There is a valve in the reservoir for opening to the source of liquid when the level of liquid in the reservoir is below a preselected level.
    Type: Grant
    Filed: February 3, 1998
    Date of Patent: July 20, 1999
    Inventor: Louis Shumaker