Cylindrical eraser

Details Cylindrical eraser Cylindrical eraser

1995-03-23

1996-03-05

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Eraser

D19 49, D19 55, D19 57

Patent

active

D03676749

REFERENCES:
patent: D31579 (1899-10-01), Todd, Jr.
patent: D104523 (1937-05-01), Beck
patent: D166254 (1952-03-01), Gazda
patent: D171675 (1954-03-01), Wisotsky
patent: D330046 (1992-10-01), Cuadrado
patent: 413599 (1889-10-01), Dean
patent: 447873 (1891-03-01), Hanimann
patent: 2099613 (1937-11-01), Loewus
patent: 2330954 (1943-10-01), Cotera

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