Who Invented the Doorknob?


African American inventor Osbourn Dorsey invented the first doorknob in 1878. While others had made similar inventions, Dorsey was the first to patent the idea.
Q&A Related to "Who Invented the Doorknob?"
name: david. year: 3001. year: 900.
Good question! Doorknobs were invented by a man named O. Dorsey back in the late 1800's.
The doorknob was invented by Osbourn Dorsey in 1878. Thanks to him, we can get in and out of places!
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1 Additional Answer
The first documented invention of the doorknob appears in U.S. Patent entries for the year 1878 by an African American inventor named Osbourn Dorsey.
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