Patents by Inventor Philip C. Tobin

Philip C. Tobin 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).

  • Restaurant checks
    Patent number: 4251093
    Abstract: A restaurant check and method for recording and totalling itemized food costs comprising a sheet for receiving indicia having an operative format of separately delineated digit columns and a stepwise array of cell groups aligned below the vertical columns for a two step additive method of first recording complete totals of each vertical column in cell groups of the stepwise array and then summing the recorded column totals from the stepwise array in a horizontal cell row.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: February 17, 1981
    Inventor: Philip C. Tobin