Patents by Inventor Erik John DeWitt, deceased

Erik John DeWitt, deceased 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).

  • Adjustable guard construction for cut-off machine
    Patent number: 4060940
    Abstract: A portable, electric cut-off machine including an electric motor powered abrasive disc. Front and rear handles are provided for convenient two-hand operation of the tool and are electrically isolated for operator protection. A protective guard encompasses substantially 210.degree. of the abrasive disc and is adjustably mounted in novel fashion on the housing and one of the handles. A supporting shoe is adjustably attached to the guard. The tool is constructed so that parts may be reversed for either right-handed or left-handed operators.
    Type: Grant
    Filed: January 13, 1976
    Date of Patent: December 6, 1977
    Assignee: The Black and Decker Manufacturing Company
    Inventor: Erik John DeWitt, deceased