Patents by Inventor Robert E. Damm

Robert E. Damm 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).

  • Disposable bird feeder
    Patent number: 5740758
    Abstract: A disposable bird feeder apparatus, particularly adapted for the feeding of finches, includes a container of elongated shape fabricated of porous sheet material. The container holds particulate bird feed material such as thistle seed. The size of the pores is slightly greater than the diameter of the seed, thereby facilitating controlled removal of the seed through the sheet material.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: April 21, 1998
    Inventor: Robert E. Damm