Patents by Inventor Edwin A. Schumacher

Edwin A. Schumacher 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).

  • Bottle opener
    Patent number: D293197
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: December 15, 1987
    Inventors: Edwin A. Schumacher, Edna E. Schumacher
  • Bottle opener
    Patent number: D293198
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: December 15, 1987
    Inventors: Edwin A. Schumacher, Edna E. Schumacher