Patents by Inventor by Norma J. Ruf, executrix

by Norma J. Ruf, executrix 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 hand-held power-operated sheet cutting device
    Patent number: 3940852
    Abstract: A portable hand-held power device having a slotted entryway for sheet material to be cut; a tool mounted for reciprocation across such entryway and formed with an offset shoulder having a cutting edge movable to and from one side of the entryway, acting as a support for the material to be cut, for impacting a sheet against such side and shearing successive sections of material therefrom as the sheet is advanced through the entryway.
    Type: Grant
    Filed: October 21, 1974
    Date of Patent: March 2, 1976
    Inventors: Ernest H. Ruf, deceased, by Norma J. Ruf, executrix