This Day in Patent History - On October 16, 1900, Frank Sprague was granted a patent for a multi-control for electric trains

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This Day in Patent History – On October 16, 1900, Frank Sprague was granted a patent for a multi-control for electric trains. He is known as “Father of Electric Traction.

On October 16, 1900, Frank Sprague was granted a patent for a multi-control for electric trains

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Patent Information
Patnt Number: US 660066 A
Patent Title: Method of regulating motors
Publication type: Grant
Publication date: Oct 16, 1900
Filing date: Jun 23, 1900
Priority date: Apr 30, 1898

US660066

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