When Was Osbourn Dorsey Born?

Answer

Osbourn Dorsey was an African American who submitted a patent for improvements on the door opening mechanism in 1878. Other than the patent there is no information about Osbourn Dorsey.
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Texas.
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Ozzy Osbourne, born as John Michale Osbourne was born on December 3, 1948 in Astn, Birmingham, West Midlands, England. He was the lead vocalist for Black Sabbath.
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Jimmy Dorsey was born on February 29, 1904 in Shenandoah, PA. He died on June 12, 1957
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June 29, 1994
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A relatively unknown African American named Osbourn Dorsey was the inventor of the modern doorknob. He patented his improved door closing device in 1878. ...
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