File:Patent-GB-190213133.pdf
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Dettagli
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 | |
Title |
Improvements in Fountain or Reservoir Pens |
Description |
Caricamento bulb filler |
Riferimenti esterni
Informazioni
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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