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Elisha Gray

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description Elisha Gray Overview

Elisha Gray was an American electrical engineer and inventor who co-founded the Western Electric Manufacturing Company. He is most recognized for his role in the early development of the telephone, having filed a patent caveat for a liquid transmitter design on February 14, 1876. This filing occurred on the exact same day Alexander Graham Bell submitted his own telephone patent application, sparking a lengthy legal dispute. Throughout his career, Gray also secured numerous patents related to telegraphy and other electrical communication technologies.

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What happened between Elisha Gray and Alexander Graham Bell on February 14, 1876?

Gray filed a caveat describing a telephone-related liquid transmitter on the same day Bell's patent application reached the US Patent Office. The timing became central to a long-running dispute over priority for the telephone.

Did Elisha Gray receive the telephone patent instead of Bell?

No. Bell received US Patent No. 174,465 in March 1876, while Gray's filing was only a caveat rather than a completed patent application. Later litigation did not transfer Bell's foundational telephone patent to Gray.

What did Elisha Gray invent besides telephone technology?

Gray developed telegraph equipment and created the musical telegraph, an early device that transmitted musical tones electrically. He later worked on the telautograph, which could reproduce handwritten marks at a distance.

What was Elisha Gray's connection to Western Electric?

Gray co-founded Gray & Barton with Enos Barton in 1869. The telegraph equipment company was later reorganized as Western Electric, which became a major supplier to the Bell telephone system.