File:Patent-US-1531419.pdf
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Original file (1,159 × 1,704 pixels, file size: 103 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
Walter A. Sheaffer |
|---|---|
| Assignee |
Walter A. Sheaffer |
| Country |
US |
| Application N° |
517375 |
| Application Date |
1921-11-23 |
| Patent N° |
1531419 |
| Brevettato |
1925-03-31 |
| Priorità |
1921-11-23 |
| Brand | |
| Title |
Pencil clip |
| Description |
Clip per matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per la clip di una matita meccanica.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:45, 14 July 2012 |  | 1,159 × 1,704, 3 pages (103 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Walter A. Sheaffer |Assignee=Walter A. Sheaffer |Country=US |ApplicationNum=517375 |ApplicationDate=1921-11-23 |PatentNum=1531419 |PatentDate=1925-03-31 |PriorityDate=1921-11-23 |Titolo=Pencil clip |Marca=Sheaffer |Descrizione=Cl... |
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