File:Patent-GB-487942.pdf

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Inventor	William F. Johnson
Assignee	The Mentmore Manufacturing Company Limited
Country	GB
Application N°	35514/36
Application Date	1936-12-28
Patent N°	487942
Brevettato	1938-06-28
Priorità	1936-12-28
Brand	Mentmore
Title	Improvements in or relating to self-filling fountain pens
Description	Sistema di caricamento

Brevetto per un sistema di caricamento a sfiatatoio, analogo al vacumatic filler. Riferimenti a nº GB-439182.

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current	23:35, 27 November 2013		1,295 × 1,752, 4 pages (276 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=William F. Johnson \|Assignee=The Mentmore Manufacturing Company Limited \|Country=GB \|ApplicationNum=35514/36 \|ApplicationDate=1936-12-28 \|PatentNum=487942 \|PatentDate=1938-06-28 \|PriorityDate=1936-12-28 \|Titolo=Improvements in or...

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