File:Patent-US-1490247.pdf

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Original file(1,159 × 1,704 pixels, file size: 551 KB, MIME type: application/pdf, 6 pages)
Inventor

John C. Wahl

Assignee

The Wahl Company

Country

US

Application N°

500555

Application Date

1921-09-14

Patent N°

1490247

Brevettato

1924-04-15

Priorità

1921-09-14

Brand

Eversharp

Title

Pencil

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica.

File history

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Date/TimeThumbnailDimensionsUserComment
current19:27, 21 June 2013Thumbnail for version as of 19:27, 21 June 20131,159 × 1,704, 6 pages (551 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=John C. Wahl |Assignee=The Wahl Company |Country=US |ApplicationNum=500555 |ApplicationDate=1921-09-14 |PatentNum=1490247 |PatentDate=1924-04-15 |PriorityDate=1921-09-14 |Titolo=Pencil |Marca=Eversharp |Descrizione=Matita meccani...
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Metadata

Facts about "Patent-US-1490247.pdf"
Application dateSeptember 14, 1921 +
Application number500555 +
Assigned toThe Wahl Company +
Invented byJohn C. Wahl +
Patent dateApril 15, 1924 +
Patent descriptionMatita meccanica +
Patent number1490247 +
Patent titlePencil +
Patented byWahl Eversharp +
Patented inUS +
Priority dateSeptember 14, 1921 +