Patents by Inventor Mark J. Schmelzer

Mark J. Schmelzer 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).

  • Cutting apparatus for easily opening plastic packaging
    Patent number: 7290339
    Abstract: A cutting apparatus for easily opening plastic packaging comprises: first support member 100, second support member 200, first shaft 400, second shaft 401, third shaft 402, first cutting wheel 300, second cutting wheel 301, third cutting wheel 302, handle 303, first drive wheel 304, and a second drive wheel 305.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: November 6, 2007
    Inventor: Mark J. Schmelzer