Ingenious Invention: Dotted Line Pen

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Ingenious Invention: Dotted Line Pen

Dotted line

Patent Information
Publication number: DE2452118 A1
Patent Title: Rotary dotted line pen – has stepped drawing wheel mounted on end of housing
Publication date: 13 May 1976
Filing date: 2 Nov 1974
Inventors: Heiko Budde
Applicant: Heiko Budde

DE2452118A1

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