File:Patent-US-2484640.pdf
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Original file (1,159 × 1,704 pixels, file size: 400 KB, MIME type: application/pdf, 6 pages)
Dettagli
| Inventor |
James A. Mustard |
|---|---|
| Assignee |
The Parker Pen Company |
| Country |
US |
| Application N° |
649472 |
| Application Date |
1946-02-23 |
| Patent N° |
2484640 |
| Brevettato |
1949-10-11 |
| Priorità |
1946-02-23 |
| Brand | |
| Title |
Mechanical pencil |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:14, 6 August 2012 |  | 1,159 × 1,704, 6 pages (400 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=James A. Mustard |Assignee=The Parker Pen Company |Country=US |ApplicationNum=649472 |ApplicationDate=1946-02-23 |PatentNum=2484640 |PatentDate=1949-10-11 |PriorityDate=1946-02-23 |Titolo=Mechanical pencil |Marca=Parker |Descrizi... |
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