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File:Patent-GB-182234.pdf

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Original file(1,295 × 1,752 pixels, file size: 350 KB, MIME type: application/pdf, 5 pages)
Inventor

George Davies

Assignee

The Wyvern Fountain Pen Co.

Country

GB

Application N°

10500/21

Application Date

1921-04-09

Patent N°

182234

Brevettato

1922-07-06

Priorità

1921-04-09

Brand

Wyvern

Title

Improvements in and relating to propelling actions or devices for pencil holders

Description

Matita meccanica per combo

Riferimenti esterni

Informazioni

Brevetto per la matita meccanica di una combinazione penna/matita.

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Date/TimeThumbnailDimensionsUserComment
current01:44, 16 July 2015Thumbnail for version as of 01:44, 16 July 20151,295 × 1,752, 5 pages (350 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=George Davies |Assignee=The Wyvern Fountain Pen Co. |Country=GB |ApplicationNum=10500/21 |ApplicationDate=1921-04-09 |PatentNum=182234 |PatentDate=1922-07-06 |PriorityDate=1921-04-09 |Titolo=Improvements in and relating to prope...
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