File:Patent-US-2398531.pdf

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Original file(1,159 × 1,704 pixels, file size: 242 KB, MIME type: application/pdf, 4 pages)
Inventor

Philip C. Hull

Assignee

The Parker Pen Company

Country

US

Application N°

556531

Application Date

1944-09-29

Patent N°

2398531

Brevettato

1946-04-16

Priorità

1944-09-29

Brand

Parker

Title

Filling mechanism for fountain pens

Description

Vacumatic speedline

Riferimenti esterni

Informazioni

Brevetto per la variante speedline in celluloide (detta anche wartime) del caricamento Vacumatic. Riferimenti a nº US-1904358 e nº US-2223541.

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current02:46, 6 August 2012Thumbnail for version as of 02:46, 6 August 20121,159 × 1,704, 4 pages (242 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Philip C. Hull |Assignee=The Parker Pen Company |Country=US |ApplicationNum=556531 |ApplicationDate=1944-09-29 |PatentNum=2398531 |PatentDate=1946-04-16 |PriorityDate=1944-09-29 |Titolo=Filling mechanism for fountain pens |Marca...
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