This Day in Patent History – On November 17, 1891, Emile Berliner was issued a patent for a combined telegraph and telephone

On November 17, 1891, Emile Berliner was issued a patent for a combined telegraph and telephone.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Patent Information
Patent Title: Combined Telegraph and Telephone
Publication number: US463569 A
Publication type: Grant
Publication date: Nov 17, 1891
Filing date: Jun 4, 1877
Inventors: Emile Berliner
Original Assignee: The American Bell Telephone Company

US463569