File:Patent-US-1452674.pdf

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Original file(1,159 × 1,704 pixels, file size: 175 KB, MIME type: application/pdf, 3 pages)

Dettagli

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

Riferimenti esterni

Informazioni

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

File history

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Date/TimeThumbnailDimensionsUserComment
current19:56, 1 January 2021Thumbnail for version as of 19:56, 1 January 20211,159 × 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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