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Granville T. Woods

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13y ago

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Who patented the electric railway trolley in 1983?

Nobody, but Elbert R Robinson, an African American inventor, received a patent for an improved electric railway trolley in 1893. This was not the first electric railway trolley.


What did Albert Blackburn invent?

Black American inventor, Albert B. Blackburn, of Springfield, OH, received a patent for a "Railway-Signal" ("operated by the wheel or wheels of the train").Patent number 376,362


What is a patent date?

The date the inventor received exclusive right to his invention..


What was Samuel Morse's most important invention?

The Electro-Magnetic Telegraph is what he called it, fighting hard to win the patent rights in 1847 as sole inventor.


Italian inventor who developed a system of wireless telegraphy in 1872?

William Henry Ward received a U.S. Patent in 1872 for a wireless telegraphy system. He theorized that convection currents in the atmosphere could carry signals like a telegraph wire.


Who invented ironing board?

Sarah Boone is credited with the invention and the patent for the ironing board. She was an African American inventor and received the patent in 1892.


How old is alexander bell when he invented the telegraph?

Alexander bell was born on March 3rd 1847. And on march 7,1876,the U.S.granted him patent for the telephone.and on march 10,1876 he sent first massage in telephone to his assistant that . So he was 29yrs ,4 days old at the time of inventing telephone and he was 28yrs old when he received patent for telegraph(received patent in 1875)


Italian inventor of a wireless telegraph?

Guglielmo Marconi was born in 1874 in Italy. He died in 1937. Marconi's patent for a wireless telegraph was successfully tested in 1901. Among other scientific awards was the Nobel Prize in physics.


Protection of an inventor's idea?

It's called a "patent" :)


How do you cite a patent in APA format?

To cite a patent in APA format, include the inventor's name, the patent number, the title of the patent, the publication date, and the source of the patent. Format it as follows: Inventor(s). (Year). Title of patent (Patent No. xxxxxx). Source.


What did Elbert R. Robinson invent?

Elbert R. Robinson invented the electric railway trolley, for which he received a patent in 1893.


How much can an inventor expect to pay the US patent and trademark office over the life of a patent?

If the inventor will be the patent owner (rather than a company the inventor is working for), the fees are 1/4 what they are for companies. The complete US patent fee schedule is linked below.