File:Patent-US-1876298.pdf
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Dettagli
| Inventor |
John A. Holland |
|---|---|
| Assignee |
John A. Holland |
| Country |
US |
| Application N° |
507455 |
| Application Date |
1931-01-08 |
| Patent N° |
1876298 |
| Brevettato |
1932-09-06 |
| Priorità |
1931-01-08 |
| Brand | |
| Title |
Self-filling pen |
| Description |
Sistema di caricamento |
Riferimenti esterni
Informazioni
Brevetto di un caricamento a sfiatatoio di tipo bulb filler, con sezione trasparente per la visibilità del livello di inchiostro. Riferimenti a nº US-1037660.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:03, 28 June 2012 |  | 1,159 × 1,704, 3 pages (120 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=John A. Holland |Assignee=John A. Holland |Country=US |ApplicationNum=507455 |ApplicationDate=1931-01-08 |PatentNum=1876298 |PatentDate=1932-09-06 |PriorityDate=1931-01-08 |Titolo=Self-filling pen |Marca=Holland |Descrizione=Car... |
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