Patents by Inventor Alfred R. Leatherman

Alfred R. Leatherman 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).

  • Patent number: 5279037
    Abstract: A guide for a portable saw having a work surface engaging plate which is formed primarily of a base and pin affixed to the work surface engaging plate, the pin being in line with the blade and engaging the kerf made by the blade to cause the blade to produce a straight cut in the work surface and spread the work surface apart and away from the blade.
    Type: Grant
    Filed: January 4, 1993
    Date of Patent: January 18, 1994
    Assignee: Locksley S. Hall
    Inventor: Alfred R. Leatherman