File:Patent-US-1434684.pdf

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Original file(1,159 × 1,704 pixels, file size: 405 KB, MIME type: application/pdf, 5 pages)
Inventor

David J. La France, William P. De Witt

Assignee

De Witt - La France Co.

Country

US

Application N°

327840

Application Date

1919-10-02

Patent N°

1434684

Brevettato

1922-11-07

Priorità

1919-10-02

Brand

De Witt-La France

Title

Pencil

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica.

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current22:38, 25 June 2012Thumbnail for version as of 22:38, 25 June 20121,159 × 1,704, 5 pages (405 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=David J. La France, William P. De Witt |Assignee=De Witt - La France Co. |Country=US |ApplicationNum=327840 |ApplicationDate=1919-10-02 |PatentNum=1434684 |PatentDate=1922-11-07 |PriorityDate=1919-10-02 |Titolo=Pencil |Marca=De W...
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Fatti riguardanti Patent-US-1434684.pdf
Application dateottobre 2, 1919 +
Application number327840 +
Assigned toDe Witt - La France Co. +
Invented byDavid J. La France + e William P. De Witt +
Patent datenovembre 7, 1922 +
Patent descriptionMatita meccanica +
Patent number1434684 +
Patent titlePencil +
Patented byDe Witt-La France +
Patented inUS +
Priority dateottobre 2, 1919 +