Facts
References
Contributors
Leadholder Links
Contact D.B. Smith
History
What is a Leadholder?
Leadholder History
Leadholder Mechanics
Leadholder Database
Orientation
Welcome/What’s New?
The Leadholder Forums
Search
Site Map/Usage Note
 
  < 
Leadholder or Related Patent
Thumbnail Index
direct link
http://www.leadholder.com/pat-us02339514-1941-eagle_3375.html
Leadholder

United States Patent 2,339,514 "Indicating Device for Mechanical Pencils"

date of application
date granted
inventor
assignee
patent holder country
1941 June 6
1944 January 18
William O. Ponath
Eagle Pencil Company
United States
patent employed on
Eagle Turquoise 3375



 
 
© 2001 to 2008 Dennis B. Smith
^
top