File:Patent-US-1250533.pdf

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Dettagli

Inventor	Levi D. Van Valenburg
Assignee	Levi D. Van Valenburg
Country	US
Application N°	158370
Application Date	1917-03-29
Patent N°	1250533
Brevettato	1917-12-18
Priorità	1917-03-29
Brand	Unbranded
Title	Retaining clip for fountain-pens
Description	Fermaglio a molla

Brevetto per un fermaglio da parte dello stesso autore della V.V. CLIP.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:12, 29 September 2013		1,159 × 1,704, 3 pages (141 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Levi D. Van Valenburg \|Assignee=Levi D. Van Valenburg \|Country=US \|ApplicationNum=158370 \|ApplicationDate=1917-03-29 \|PatentNum=1250533 \|PatentDate=1917-12-18 \|PriorityDate=1917-03-29 \|Titolo=Retaining clip for fountain-pens \|Mar...

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