File:Patent-US-1344434.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: 84 KB, MIME type: application/pdf, 2 pages)
Dettagli
| Inventor |
Robert George Crombie Boa |
|---|---|
| Assignee |
The Wahl Company |
| Country |
US |
| Application N° |
212351 |
| Application Date |
1918-01-17 |
| Patent N° |
1344434 |
| Brevettato |
1920-06-22 |
| Priorità |
1918-01-17 |
| Brand | |
| Title |
Mechanical pencil |
| Description |
Supporto gomma matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per la costruzione del supporto per il gommino per la cancellazione di una matita meccanica. Riferimento a nº US-1130741.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:17, 24 July 2012 |  | 1,159 × 1,704, 2 pages (84 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Robert George Crombie Boa |Assignee=The Wahl Company |Country=US |ApplicationNum=157945 |ApplicationDate=1917-03-28 |PatentNum=1367255 |PatentDate=1921-02-01 |PriorityDate=1917-03-28 |Titolo=Mechanical pencil |Marca=Eversharp |D... |
You cannot overwrite this file.
File usage
There are no pages that use this file.