File:Patent-US-1372011.pdf

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Inventor	John L. De Maria
Assignee	Settles Pen Company
Country	US
Application N°	240352
Application Date	1918-06-17
Patent N°	1372011
Brevettato	1921-03-22
Priorità	1918-06-17
Brand	Security Pen Corporation
Title	Fountain-pen attachment
Description	Blocco di sicurezza per caricamento

Brevetto per un sistema di blocco di sicurezza di un sistema di caricamento a pressione da barra laterale. Attribuito alla Security Pen Corporation essendo stati assorbiti gli assets della Settles Pen Company dalla Kritikson Brothers.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:56, 1 January 2021		1,159 × 1,704, 3 pages (154 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=John L. De Maria \|Assignee=Settles Pen Company \|Country=US \|ApplicationNum=240352 \|ApplicationDate=1918-06-17 \|PatentNum=1372011 \|PatentDate=1921-03-22 \|PriorityDate=1918-06-17 \|Titolo=Fountain-pen attachment \|Marca=Security Pen...

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