File:Patent-US-1978676.pdf

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Inventor	Russel B. Kingman
Assignee	Russel B. Kingman
Country	US
Application N°	723345
Application Date	1934-05-01
Patent N°	1978676
Brevettato	1934-10-30
Priorità	1934-05-01
Brand	Camel
Title	Soluble ink fountain pen
Description	Penna con inchiostro solubile

Brevetto per una penna caricata con inchiostro solubile. Riferimenti a nº US-1912774 e n° US-1978675.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:52, 1 April 2021		1,159 × 1,704, 5 pages (345 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Russel B. Kingman \|Assignee=Russel B. Kingman \|Country=US \|ApplicationNum=723345 \|ApplicationDate=1934-05-01 \|PatentNum=1978676 \|PatentDate=1934-10-30 \|PriorityDate=1934-05-01 \|Titolo=Soluble ink fountain pen \|Marca=Camel \|Desc...

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