File:Patent-US-2473690.pdf

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Original file(1,159 × 1,704 pixels, file size: 176 KB, MIME type: application/pdf, 4 pages)
Inventor

Wilbur K. Olson, Lynn P. Martin

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

575407

Application Date

1945-01-31

Patent N°

2473690

Brevettato

1949-06-21

Priorità

1945-01-31

Brand

Sheaffer

Title

Clip for writing instruments

Description

Fermaglio a molla

Riferimenti esterni

Informazioni

Brevetto per un fermaglio a molla. Riferimento a nº US-1085174, nº US-1719895 e nº US-1863016.

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current17:49, 15 July 2012Thumbnail for version as of 17:49, 15 July 20121,159 × 1,704, 4 pages (176 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Wilbur K. Olson, Lynn P. Martin |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=575407 |ApplicationDate=1945-01-31 |PatentNum=2473690 |PatentDate=1949-06-21 |PriorityDate=1945-01-31 |Titolo=Clip for writing instr...
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