File:Patent-US-1452674.pdf
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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 | |
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.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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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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