Handwriting paper for colorblind students

Details Handwriting paper for colorblind students Handwriting paper for colorblind students

1988-11-30

1995-03-28

Burke, Wallace R.

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

Patent

active

D03568202

REFERENCES:
patent: D30888 (1899-05-01), Parsons
patent: D39492 (1908-09-01), Guy
patent: 3638332 (1972-02-01), Jones
patent: 3879611 (1975-04-01), Schroeder
Beckley-Cardy Company, 1953. P. 103, Elements A & B.
Daytimers, 1987/1988 p. C71, Element C.
Kurtz Bros, 1973-1974, p. 7 Ruled Tablets.
NEBS Business Forms, May 29, 1987, Element A. p. 33.
"Alpha-Line" Teachers Instruction Sheet, 1977.
Visual Systems, Dec. 1987 p. 254. Element A Computer Paper.

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