File:Patent-US-1720717.pdf
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Dettagli
| Inventor |
Amos F. Bumpus |
|---|---|
| Assignee |
The Parker Pen Company |
| Country |
US |
| Application N° |
162828 |
| Application Date |
1927-01-22 |
| Patent N° |
1720717 |
| Brevettato |
1929-07-16 |
| Priorità |
1927-01-22 |
| Brand | |
| Title |
Magazine pencil |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per il serbatoio di una matita meccanica.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:32, 5 August 2012 |  | 1,159 × 1,704, 4 pages (171 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Amos F. Bumpus |Assignee=The Parker Pen Company |Country=US |ApplicationNum=162828 |ApplicationDate=1927-01-22 |PatentNum=1720717 |PatentDate=1929-07-16 |PriorityDate=1927-01-22 |Titolo=Magazine pencil |Marca=Parker |Descrizione=... |
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