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.