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File:Patent-US-1804522.pdf

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Original file(1,159 × 1,704 pixels, file size: 143 KB, MIME type: application/pdf, 3 pages)
Inventor

Frank T. Walsh

Assignee

LeBoeuf Fountain Pen Co.

Country

US

Application N°

375764

Application Date

1929-07-03

Patent N°

1804522

Brevettato

1931-05-12

Priorità

1929-07-03

Brand

LeBoeuf

Title

Fountain-pen

Description

Caricamento sleeve filler

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento sleeve filler. Riferimenti a nº US-1042804.

File history

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Date/TimeThumbnailDimensionsUserComment
current12:12, 29 June 2012Thumbnail for version as of 12:12, 29 June 20121,159 × 1,704, 3 pages (143 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Frank Le Boeuf |Assignee=LeBoeuf Fountain Pen Co. |Country=US |ApplicationNum=375764 |ApplicationDate=1929-07-03 |PatentNum=1804522 |PatentDate=1931-05-12 |PriorityDate=1929-07-03 |Titolo=Fountain-pen |Marca=LeBoeuf |Descrizione=...
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