File:Patent-US-1920409.pdf

From FountainPen
Jump to: navigation, search
Go to page


Original file(1,159 × 1,704 pixels, file size: 163 KB, MIME type: application/pdf, 3 pages)
Inventor

William H. Lindemon, Mark G. Lammers

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

517899

Application Date

1931-02-24

Patent N°

1920409

Brevettato

1933-08-01

Priorità

1931-02-24

Brand

Sheaffer

Title

Swaged tip for mechanical pencils

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current20:15, 14 July 2012Thumbnail for version as of 20:15, 14 July 20121,159 × 1,704, 3 pages (163 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William H. Lindemon, Mark G. Lammers |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=517899 |ApplicationDate=1931-02-24 |PatentNum=1920409 |PatentDate=1933-08-01 |PriorityDate=1931-02-24 |Titolo=Swaged tip for me...
  • You cannot overwrite this file.

There are no pages that link to this file.

Fatti riguardanti Patent-US-1920409.pdf
Application datefebbraio 24, 1931 +
Application number517899 +
Assigned toW. A. Sheaffer Pen Company +
Invented byWilliam H. Lindemon + e Mark G. Lammers +
Patent dateagosto 1, 1933 +
Patent descriptionMatita meccanica +
Patent number1920409 +
Patent titleSwaged tip for mechanical pencils +
Patented byW. A. Sheaffer Pen Company +
Patented inUS +
Priority datefebbraio 24, 1931 +