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First coin-operated telephone was patented this day in 1889 - This Day in Patent History

On Aug. 13, 1889 William Gray of Hartford, Connecticut, received a patent for a coin-operated telephone. Soon he formed the Gray Telephone Pay Station Company…

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Celebrity Patent - Uri Geller, an Israeli illusionist, patented a telephone radiation shield

Radiation emitted from cell phones may be injurious to a human user. The patented sheild is used to encase a cell phone. The shield prevents…

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This Day in Patent History - On January 19, 1878, Thomas Edison patented speaking telegraph (or telephone) in Italy

On January 19, 1878, Thomas Edison patented speaking telegraph (or telephone) in Italy. Although Bell invented telephone first, Edison’s invention of the carbon-button transmitter proved…

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This Day in Patent History - On January 17, 1882, Leroy Firman received a patent for the telephone switchboard

On January 17, 1882, Leroy Firman received a patent for the telephone switchboard.   Patent Information Publication number: US252576 A Patent Title: Multiple switch-board for…

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This Day in Patent History - On December 7, 1880, Alexander Graham Bell patented photophone, which allowed for the transmission of speech on a beam of light

On December 7, 1880, Alexander Graham Bell patented photophone, which allowed for the transmission of speech on a beam of light. Bell believed the photophone…

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This Day in Patent History - On November 29, 1881, Francis Blake was granted a patent for the speaking phone

On November 29, 1881, Francis Blake was granted a patent for the speaking phone. Blake was elected a member of the American Antiquarian Society in…

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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.                  …

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