Patents by Inventor Veral L. McGraw

Veral L. McGraw 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).

  • Slicer knife safety cover
    Patent number: 4246818
    Abstract: A circular cover has a peripheral flange to overhang and enclose the cutting edge of a rotating disk slicer knife in a slicing machine for meat and other foods. A central handle remote from the cutting edge of the knife disc is provided for applying the cover to the knife disk. Magnets recessed in handle protuberances at the rim of the cover secure the cover of the knife disk, these handles being used to pull the magnets free of the knife disk in removing the cover.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: January 27, 1981
    Inventor: Veral L. McGraw, Jr.
  • Tank heater alarm
    Patent number: 4135079
    Abstract: A housing containing a buzzer and mercury switch is mounted on the shaft of the drain lever for a heated tank, for example in a dishwasher. If the heating unit is still turned on when the drain valve is opened, the buzzer sounds to warn the operator that operation of the heating unit without water in the tank will damage the machine.
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: January 16, 1979
    Inventor: Veral L. McGraw