All-in-one drawing apparatus

Details All-in-one drawing apparatus All-in-one drawing apparatus

1998-08-31

1999-06-29

Gutierrez, Diego

Geometrical instruments

Straightedge type

Plural straightedges, relatively moveable

33470, 33425, 33 323, B43L 710

Patent

active

059158077

ABSTRACT:
An all-in-one drawing apparatus has a protractor integrated with horizontal and vertical rulers on a drawing board. The vertical ruler has a pen holder adapted to move and scribe within the vertical ruler. The vertical ruler can pivot according to measured angles on the protractor portion.

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