Patents by Inventor Robert N. Costa

Robert N. Costa 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).

  • Rotary grill system
    Patent number: 5117748
    Abstract: Apparatus having spaced rollers in a frame, and a handle on the frame for drawing the frame laterally across a grid covering a bed of hot coals. Lateral movement along the grid causes the rollers to rotate and thereby counter rotate hot dogs on the rollers while the heat from the coals passes between the rollers to grill the hot dogs.
    Type: Grant
    Filed: January 10, 1990
    Date of Patent: June 2, 1992
    Inventor: Robert N. Costa