File:Patent-US-2986119.pdf

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Riferimenti esterni

Brevetto per il meccanismo di una penna a sfera. Priorità dal brevetto tedesco. Stessa invenzione di nº DE-1009969.. Riferimenti a nº US-1344897, nº US-2427068, nº US-2454086, nº US-2692580 e nº US-2811945, ed inoltre nº FR-628272, nº FR-979112.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:34, 12 August 2012		1,159 × 1,704, 4 pages (218 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Ernst Rosler, Konrad Kressel \|Assignee=Montblanc-Simplo G.m.b.H. \|Country=US \|ApplicationNum=195136 \|ApplicationDate=1957-02-11 \|PatentNum=2167815 \|PatentDate=1961-05-30 \|PriorityDate=1956-02-17 \|Titolo=Writing instruments \|Marca...

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Application date	febbraio 11, 1957 +
Application number	639518 +
Assigned to	Montblanc-Simplo G.m.b.H. +
Invented by	Ernst Rösler + e Konrad Kressel +
Mention patent	File:Patent-US-1344897.pdf +, +, +, +, File:Patent-US-2811945.pdf +, File:Patent-FR-628272.pdf + e File:Patent-FR-979112.pdf +
Patent date	maggio 30, 1961 +
Patent description	Penna a sfera +
Patent number	2986119 +
Patent title	Writing instruments +
Patented by	Montblanc +
Patented in	US +
Priority date	febbraio 17, 1956 +
Same invention of	+