View source for File:Patent-US-1905920.pdf

Jump to: navigation, search

You do not have permission to edit this page, for the following reason:

The action you have requested is limited to users in the group: Users.

You can view and copy the source of this page.

Return to File:Patent-US-1905920.pdf.

Facts about "Patent-US-1905920.pdf"
Application dateFebruary 24, 1931 +
Application number515898 +
Assigned toW. A. Sheaffer Pen Company +
Invented byWilliam H. Lindemon +
Patent dateApril 25, 1933 +
Patent descriptionMatita per combo +
Patent number1905920 +
Patent titleMechanical pencil +
Patented byW. A. Sheaffer Pen Company +
Patented inUS +
Priority dateFebruary 24, 1931 +