File:Patent-US-2152436.pdf
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Original file (1,159 × 1,704 pixels, file size: 212 KB, MIME type: application/pdf, 4 pages)
Dettagli
| Inventor |
Leon H. Ashmore |
|---|---|
| Assignee |
The Esterbrook Steel Pen Manfacturing Co. |
| Country |
US |
| Application N° |
176404 |
| Application Date |
1937-11-26 |
| Patent N° |
2152436 |
| Brevettato |
1939-03-28 |
| Priorità |
1937-11-26 |
| Brand | |
| Title |
Fountain pen |
| Description |
Dispositivo anti-bolle |
Riferimenti esterni
Informazioni
Brevetto di un dispositivo inserito internamente alla sezione volto ad evitare la formazione di bolle nel contatto fra la parte posteriore dell'alimentatore e l'inchiostro.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:00, 30 June 2012 |  | 1,159 × 1,704, 4 pages (212 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Leon H. Ashmore |Assignee=The Esterbrook Steel Pen Manfacturing Co. |Country=US |ApplicationNum=176404 |ApplicationDate=1937-11-26 |PatentNum=2152436 |PatentDate=1939-03-28 |PriorityDate=1937-11-26 |Titolo=Fountain pen |Marca=Est... |
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