File:Patent-US-692009.pdf

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Original file(1,159 × 1,704 pixels, file size: 148 KB, MIME type: application/pdf, 3 pages)
Inventor

Frederick Gilbert

Assignee

Lewis E. Waterman

Country

US

Application N°

680770

Application Date

1898-05-16

Patent N°

692009

Brevettato

1902-01-28

Priorità

1898-05-16

Brand

Waterman

Title

Safety fountain-pen

Description

Cappuccio di sicurezza

Riferimenti esterni

Informazioni

Brevetto per un cappuccio di sicurezza che consente di smontare la sezione e rimontarla al suo interno usando la testina svitabile, chiudendo poi il fusto della penna con l'inchiostro con l'altra estremità liberata dalla testina. Concesso postumo al nipote dell'assegnatario, Frank D. Waterman.

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current23:53, 27 July 2012Thumbnail for version as of 23:53, 27 July 20121,159 × 1,704, 3 pages (148 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Frederick Gilbert |Assignee=Lewis E. Waterman |Country=US |ApplicationNum=680770 |ApplicationDate=1898-05-16 |PatentNum=692009 |PatentDate=1902-01-28 |PriorityDate=1898-05-16 |Titolo=safety fountain-pen |Marca=Waterman |Descrizio...
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