File:Patent-US-1452674.pdf

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Inventor	Albert Edmund Barnes
Assignee	Kritikson Bros. Inc.
Country	US
Application N°	284464
Application Date	1919-03-22
Patent N°	1452674
Brevettato	1923-04-24
Priorità	1919-03-22
Brand	Security Pen Corporation
Title	Check protector
Description	Dispositivo di sicurezza per assegni

Brevetto di sicurezza contro la contraffazione degli assegni, usato nelle Security Pen della Security Pen Corporation.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:56, 1 January 2021		1,159 × 1,704, 3 pages (175 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Albert Edmund Barnes \|Assignee=Kritikson Bros. Inc. \|Country=US \|ApplicationNum=284464 \|ApplicationDate=1919-03-22 \|PatentNum=1452674 \|PatentDate=1923-04-24 \|PriorityDate=1919-03-22 \|Titolo=Check protector \|Marca=Security Pen Cor...

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