Patents by Inventor Robert Paul Lieb

Robert Paul Lieb 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).

  • Bi-modal seed port for bird feeder
    Patent number: 6408788
    Abstract: A seed port, intended to permit dispensing large and small seeds from the same feeder, can be used with a bird feeder having a columnar reservoir for the containment of bird seed wherein the seed port has a platform with an opening that attaches to the reservoir in alignment with an opening in the reservoir. The seed port further provides a trough and a hinged lid with a small opening that will alternatively deny access to the trough while permitting access to seeds in the reservoir; or deny access to seeds in the reservoir while permitting access to seeds in the trough.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: June 25, 2002
    Assignee: Cedar Works, LLC
    Inventors: Robert Paul Lieb, James Roberts Obenshain
  • Hummingbird feeder
    Patent number: D454669
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: March 19, 2002
    Assignee: Cedar Works, LLC
    Inventor: Robert Paul Lieb