File:Patent-GB-190213133.pdf

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Inventor	George William Perks,Frederik Charles Thacker
Assignee	George William Perks,Frederik Charles Thacker
Country	GB
Application N°	190213133
Application Date	1902-06-10
Patent N°	190213133
Brevettato	1903-01-15
Priorità	1902-06-10
Brand	Unbranded
Title	Improvements in Fountain or Reservoir Pens
Description	Caricamento bulb filler

Brevetto per un sistema di caricamento a sfiatatoio, fra i più antichi, forse il primo, di tipo bulb filler. Stessa invenzione di nº US-723726.

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current	21:01, 5 May 2020		1,239 × 1,754, 8 pages (486 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=George William Perks,Frederik Charles Thacker \|Assignee=George William Perks,Frederik Charles Thacker \|Country=GB \|ApplicationNum=190213133 \|ApplicationDate=1902-06-10 \|PatentDate=1903-01-15 \|PatentNum=190213133 \|PriorityDate=190...

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