Revision history of "File:Patent-US-2186869.pdf"

Jump to: navigation, search

Diff selection: Mark the radio boxes of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

Retrieved from "http://www.fountainpen.it/File:Patent-US-2186869.pdf"
Fatti riguardanti Patent-US-2186869.pdf
Feed RDF
Application dateluglio 25, 1936 +
Application number92626 +
Assigned toDavid Kahn Inc +
Invented byDavid Kahn +
Mention patentFile:Patent-US-2186870.pdf +, File:Patent-US-2186027.pdf + e File:Patent-US-2203093.pdf +
Patent dategennaio 9, 1940 +
Patent descriptionMatita meccanica +
Patent number2186869 +
Patent titleMechanical magazine pencil +
Patented byWearever +
Patented inUS +
Priority dateluglio 25, 1936 +