File:Patent-US-1978675.pdf

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Original file(1,159 × 1,704 pixels, file size: 355 KB, MIME type: application/pdf, 5 pages)

Dettagli

Inventor

Russel B. Kingman, Daniel J. Mayer

Assignee

Russel B. Kingman

Country

US

Application N°

710450

Application Date

1934-02-09

Patent N°

1978675

Brevettato

1934-10-30

Priorità

1934-02-09

Brand

Camel

Title

Soluble ink fountain pen

Description

Penna con inchiostro solubile

Riferimenti esterni

Informazioni

Brevetto per una penna caricata con inchiostro solubile. Riferimenti a nº US-1912774.

File history

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Date/TimeThumbnailDimensionsUserComment
current01:59, 1 April 2021Thumbnail for version as of 01:59, 1 April 20211,159 × 1,704, 5 pages (355 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Russel B. Kingman, Daniel J. Mayer |Assignee=Russel B. Kingman |Country=US |ApplicationNum=710450 |ApplicationDate=1934-02-09 |PatentNum=1978675 |PatentDate=1934-10-30 |PriorityDate=1934-02-09 |Titolo=Soluble ink fountain pen |...

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