Patent application Patent 462,062 filed 1908 Oct. 3, allowed 1909 May 18
Summary
Title derived from notes written in pencil at top of application. Corrections in ink, p. 2 , 3.
Accompanied by typewritten note addressed to Emile Berliner, dated June 2, 1909, from Eugene W. Johnson, "Solicitor of Patents and Counsellor in Patent Causes." Also incl. photostat diagram of record disk.
Specifications, possibly a draft, for Edgar Berliner's improvements in records for sound reproducing machines.
Tags
Date
1871 - 1965
Source
Library of Congress
Copyright info
Public Domain