File:Patent-US-1365463.pdf

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Original file(1,159 × 1,704 pixels, file size: 103 KB, MIME type: application/pdf, 3 pages)
Inventor

Arthur O. Dahlberg

Assignee

Arthur O. Dahlberg

Country

US

Application N°

399817

Application Date

1920-07-29

Patent N°

1365463

Brevettato

1921-01-11

Priorità

1920-07-29

Brand

Unbranded

Title

Fountain-pen indicator

Description

Visualizzatore livello inchiostro

Riferimenti esterni

Informazioni

Brevetto per un sistema di visualizzazione del livello di inchiostro.

File history

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current01:36, 4 July 2012Thumbnail for version as of 01:36, 4 July 20121,159 × 1,704, 3 pages (103 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Arthur O. Dahlberg |Assignee=Arthur O. Dahlberg |Country=US |ApplicationNum=399817 |ApplicationDate=1920-07-29 |PatentNum=1365463 |PatentDate=1921-01-11 |PriorityDate=1920-07-29 |Titolo=Fountain-pen indicator |Marca=Unbranded |De...
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Facts about "Patent-US-1365463.pdf"
Application dateJuly 29, 1920 +
Application number399817 +
Assigned toArthur O. Dahlberg +
Invented byArthur O. Dahlberg +
Patent dateJanuary 11, 1921 +
Patent descriptionVisualizzatore livello inchiostro +
Patent number1365463 +
Patent titleFountain-pen indicator +
Patented byUnbranded +
Patented inUS +
Priority dateJuly 29, 1920 +