Patents by Inventor Arthur N. Keefe

Arthur N. Keefe 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).

  • Saw gage
    Patent number: 4561186
    Abstract: Saw gage involving a retractable scale tape and a magnetic means for retaining it on a chain saw.
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: December 31, 1985
    Inventor: Arthur N. Keefe