File:Patent-GB-164043.pdf

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Inventor	John Edward Hayes
Assignee	John Edward Hayes
Country	GB
Application N°	390252
Application Date	1919-12-01
Patent N°	164043
Brevettato	1921-06-01
Priorità	1919-12-01
Brand	Byers & Hayes
Title	Improvements in fountain pens
Description	Costruzione del pennino

Brevetto per una penna con pennino ad innesto piatto, montato centralmente. Stessa invenzione di nº US-1335580.

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current	23:19, 7 June 2021		1,296 × 1,754, 3 pages (184 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=John Edward Hayes \|Assignee=John Edward Hayes \|Country=GB \|ApplicationNum=390252 \|ApplicationDate=1919-12-01 \|PatentNum=164043 \|PatentDate=1921-06-01 \|PriorityDate=1919-12-01 \|Titolo=Improvements in fountain pens \|Marca=Unbranded...

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