WRITING INSTRUMENT
United States Patent 3510227
US Patent References:
Package of slender articles and method of making it
- - 3037620

Writing instrument
- - 3203025

Tracing implements
- - 3361516

Tracing implements
- - 3365744


Inventors:
Horie, Yukio
Publication Date:
05/05/1970
View Patent Images:
Assignee:
DAINIHON BUNGU CO LTD
Primary Class:
Other Classes:
401/284
International Classes:
B43K8/06; B43K8/00; B43K8/00
Foreign References:
FR596990A




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