Patents by Inventor Robert Cholewinski

Robert Cholewinski 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).

  • Bucket opener
    Patent number: 6041460
    Abstract: A tool for opening typical commercially available five gallon plastic buckets having a placement handle and placement end, cutting handle, cutting end, and a razor blade where the placement end is aligned with the bucket lid and the razor blade cuts through the plastic of the lid when pressure is applied to the handles.
    Type: Grant
    Filed: May 11, 1998
    Date of Patent: March 28, 2000
    Inventor: Robert Cholewinski