Mechanical pencil

Details Mechanical pencil Mechanical pencil

1998-11-20

1999-09-14

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 49, D19 51, D19 56, D19 57, 1906

Patent

active

D04139267

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Miller's Office Products, p. 763, see pen, top of page--copyright 1994.

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