File:Patent-GB-525411.pdf

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Original file(1,295 × 1,752 pixels, file size: 357 KB, MIME type: application/pdf, 4 pages)
Inventor

Edward G. Knight

Assignee

Thomas De La Rue and Company

Country

GB

Application N°

5458/39

Application Date

1939-02-18

Patent N°

525411

Brevettato

1940-08-28

Priorità

1939-02-18

Brand

Onoto

Title

Improvements in stylographs

Description

Penna a stilo

Riferimenti esterni

Informazioni

Brevetto una penna a stilo.

File history

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Date/TimeThumbnailDimensionsUserComment
current01:25, 25 November 2013Thumbnail for version as of 01:25, 25 November 20131,295 × 1,752, 4 pages (357 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Edward G. Knight |Assignee=Thomas De La Rue and Company |Country=GB |ApplicationNum=5458/39 |ApplicationDate=1939-02-18 |PatentNum=525411 |PatentDate=1940-08-28 |PriorityDate=1939-02-18 |Titolo=Improvements in stylographs |Marca=...
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Metadata

关于“Patent-GB-525411.pdf”的事实
Application date1939年2月18日 (六) +
Application number5458/39 +
Assigned toThomas De La Rue and Company +
Invented byEdward G. Knight +
Patent date1940年8月28日 (三) +
Patent descriptionPenna a stilo +
Patent number525411 +
Patent titleImprovements in stylographs +
Patented byDe La Rue - Onoto +
Patented inGB +
Priority date1939年2月18日 (六) +
Used for featurePenna a stilo +