Patents by Inventor Fredric C. Heys

Fredric C. Heys 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).

  • Portable electric drywall cutout tool
    Patent number: D437757
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: February 20, 2001
    Assignee: Makita Corporation
    Inventors: John Matthew Thomson, Michael Christopher Thompson, Michihiro Yamade, Fredric C. Heys