File:Patent-US-723726.pdf
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Original file (1,159 × 1,704 pixels, file size: 228 KB, MIME type: application/pdf, 4 pages)
| Inventor |
George W. Perks, Frederick C. Thacker |
|---|---|
| Assignee |
George W. Perks, Frederick C. Thacker |
| Country |
US |
| Application N° |
134146 |
| Application Date |
1902-12-06 |
| Patent N° |
723726 |
| Brevettato |
1903-03-24 |
| Priorità |
1902-12-06 |
| Brand | |
| Title |
Fountain-pen |
| Description |
Riferimenti esterni
Informazioni
Brevetto per un sistema di caricamento a sfiatatoio, fra i più antichi, forse il primo, di tipo bulb filler. Priorità dal brevetto inglese. Stessa invenzione di nº GB-190213133.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:33, 27 August 2012 |  | 1,159 × 1,704, 4 pages (228 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=George W. Perks, Frederick C. Thacker |Assignee=George W. Perks, Frederick C. Thacker |Country=US |ApplicationNum=134146 |ApplicationDate=1902-12-06 |PatentNum=723726 |PatentDate=1903-03-24 |PriorityDate=1902-12-06 |Titolo=Founta... |
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