File:Patent-US-2061405.pdf

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Inventor	Russel B. Kingman, Ralf L. Hartwell
Assignee	Russel B. Kingman
Country	US
Application N°	61283
Application Date	1936-01-29
Patent N°	2061405
Brevettato	1936-11-17
Priorità	1936-01-29
Brand	Camel
Title	Soluble ink fountain pen
Description	Penna con inchiostro solubile

Brevetto per una penna caricata con inchiostro solubile.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:09, 1 April 2021		1,159 × 1,704, 4 pages (281 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Russel B. Kingman, Ralf L. Hartwell \|Assignee=Russel B. Kingman \|Country=US \|ApplicationNum=61283 \|ApplicationDate=1936-01-29 \|PatentNum=2061405 \|PatentDate=1936-11-17 \|PriorityDate=1936-01-29 \|Titolo=Soluble ink fountain pen \|...

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