Printed matter – Sales document
Patent
1979-02-02
1981-02-17
Bell, Paul A.
Printed matter
Sales document
283 44, 283 48R, 434191, B42D 1500
Patent
active
042510937
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.
REFERENCES:
patent: 1896255 (1933-02-01), Smithers
patent: 3377717 (1968-04-01), Rowe
Cleo Learning Aids, Cleveland, Ohio-Catalogue Educational Equipment Supplies Teaching Aids Furniture and Furnishings Special Education, 1976, p. 39. _
1/4" Grid graph paper. _
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