Patents by Inventor Samuel Lee Chapman

Samuel Lee Chapman 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).

  • Can opener
    Patent number: 7409768
    Abstract: Can opener includes frame; rotating, toothed wheel cutting blade; and counterpoised drive wheel. A first, perforating relationship can provide the lid of a can with perforations about its outer boundary for draining liquids; and a second, lid boundary-releasing relationship, which is less than the first distance, can provide for the lid of the can being cut to completely sever it from the remainder of the can.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: August 12, 2008
    Inventor: Samuel Lee Chapman