This Day in Patent History - On September 25, 1908, Elmer Sperr filed a patent for gyroscope

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On September 25, 1908, Elmer Sperr filed a patent for gyroscope. He is noted as father of modern navigation technology. By the time of his death in 1930, Sperry held more than 400 patents.

Patent Information
Patent Number: US1242065
Patent Title: Ship’s gyroscopic-compass set.
Publication date: 2 Oct 1917
Filing date: 25 Sep 1909
Priority date: 25 Sep 1909
Inventors: Elmer A Sperry
Original Assignee: Sperry Gyroscope Co

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