File:Patent-US-799297.pdf
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Original file (1,159 × 1,704 pixels, file size: 107 KB, MIME type: application/pdf, 2 pages)
| Inventor |
Joseph F. Betzler |
|---|---|
| Assignee |
Joseph F. Betzler |
| Country |
US |
| Application N° |
253619 |
| Application Date |
1905-04-03 |
| Patent N° |
799297 |
| Brevettato |
1905-09-12 |
| Priorità |
1905-04-03 |
| Brand | |
| Title |
Fountain-pen |
| Description |
Sistema di caricamento |
Riferimenti esterni
Informazioni
Brevetto per un antesignano del sistema di caricamento a fisarmonica, senza lo sfiatatoio presente su quello classico creato dalla Stylomine. Non è sicuro che questa versione sia stata usata dalla Laughlin.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:23, 30 June 2012 |  | 1,159 × 1,704, 2 pages (107 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Joseph F. Betzler |Assignee=Joseph F. Betzler |Country=US |ApplicationNum=253619 |ApplicationDate=1905-04-03 |PatentNum=799297 |PatentDate=1905-09-12 |PriorityDate=1905-04-03 |Titolo=Fountain-pen |Marca=Laughlin |Descrizione=Sist... |
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