File:Patent-US-2070461.pdf

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Inventor	Asahi Watanabe
Assignee	The Namiki Manufacturing Company Ltd
Country	US
Application N°	31566
Application Date	1935-07-16
Patent N°	2070461
Brevettato	1937-02-09
Priorità	1935-07-16
Brand	Pilot
Title	Piston fountain pen
Description	Caricamento a siringa rovesciata

Brevetto per un caricamento a siringa rovesciata.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	01:27, 19 October 2019		1,159 × 1,704, 3 pages (133 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Asahi Watanabe \|Assignee=The Namiki Manufacturing Company Ltd \|Country=US \|ApplicationNum=31566 \|ApplicationDate=1935-07-16 \|PatentNum=2070461 \|PatentDate=1937-02-09 \|PriorityDate=1935-07-16 \|Titolo=Piston fountain pen \|Marca=Pil...

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