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Return to File:Patent-AT-69881.pdf.

Retrieved from "http://www.fountainpen.it/File:Patent-AT-69881.pdf"

Facts

... more about "Patent-AT-69881.pdf"

Application date

September 25, 1913 +

Application number

69881 +

Firma F. Soennecken +

September 10, 1915 +

Patent description

Caricamento rientrante +

69881 +

Füllfederhalter mit herausschraubbarer Feder +

AT +

April 18, 1913 +

Same invention of

File:Patent-GB-191322823.pdf + and File:Patent-DE-269883.pdf +

Used for feature

Safety filler +