File:Patent-US-1443399.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: 214 KB, MIME type: application/pdf, 4 pages)
Dettagli
Inventor |
Assegnatario |
---|---|
Assignee |
Joseph Wallace |
Country |
US |
Application N° |
519254 |
Application Date |
1921-12-01 |
Patent N° |
1443399 |
Brevettato |
1923-01-30 |
Priorità |
1921-12-01 |
Brand | |
Title |
Pencil |
Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per la costruzione di una matita meccanica.
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 19:06, 21 March 2021 | ![]() | 1,159 × 1,704, 4 pages (214 KB) | Piccardi (talk | contribs) | {{PatentInfo |Assignee=Joseph Wallace |Country=US |ApplicationNum=519254 |ApplicationDate=1921-12-01 |PatentNum=1443399 |PatentDate=1923-01-30 |PriorityDate=1921-12-01 |Titolo=Pencil |Marca=Inkograph |Descrizione=Matita meccanica }} ==Informazioni== Br... |
You cannot overwrite this file.
File usage
There are no pages that use this file.