How many failed attempts did thomas edison make at the light bulb?

Answer Thomas Edison must have been thinking about his many failed attempts at producing an effective light bulb when he said, "Genius is 1 percent inspiration and 99 percent perspiration." There are sev... Read More »

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How many patents were granted to Thomas Edison?

Thomas Alva Edison received 1,368 patents for his inventions. He is credited for inventions such as the electrical vote recorder, electric pen, paraffin paper and the phonograph, as well as the mot... Read More »

How many patents were granted to inventor Thomas Edison?

Thomas Edison received 1,093 patents for his inventions. Edison was 21 years old when his first patent was granted on Oct. 13, 1868. A patent for a holder for an article to be electroplated issued... Read More »

How many times did Thomas Edison build the light bulb?

Thomas Edison did not actually build the first light bulb. According to the Franklin Institute, from 1878 to 1880, Edison and his associates worked on at least three thousand different theories to ... Read More »

How many times did it take for thomas edison to create a light bulb?

Thomas Edison tested more than 3,000 different filaments before developing his version of a working practical light bulb. It was not the first incandescent light bulb, but the first commercially vi... Read More »