File:Patent-US-721549.pdf
Jump to navigation
Jump to search
 Size of this JPG preview of this PDF file: 408 × 600 pixels. Other resolution: 163 × 240 pixels. |
Original file (1,159 × 1,704 pixels, file size: 179 KB, MIME type: application/pdf, 3 pages)
| Inventor |
August Eberstein |
|---|---|
| Assignee |
August Eberstein |
| Country |
US |
| Application N° |
46973 |
| Application Date |
1901-02-12 |
| Patent N° |
721549 |
| Brevettato |
1903-02-24 |
| Priorità |
1901-02-12 |
| Brand | |
| Title |
Fountain pen |
| Description |
Precursore twist filler |
Riferimenti esterni
Informazioni
Brevetto di un altro (vedi nº US-719529) caricamento a torsione (twist filler) molto elementare in cui la torsione era effettuata manualmente.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:43, 23 June 2012 |  | 1,159 × 1,704, 3 pages (179 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=August Eberstein |Assignee=August Eberstein |Country=US |ApplicationNum=46973 |ApplicationDate=1901-02-12 |PatentNum=721549 |PatentDate=1903-02-24 |PriorityDate=1901-02-12 |Titolo=Fountain pen |Marca=Boston Pen Company |Descrizio... |
You cannot overwrite this file.
File usage
There are no pages that use this file.