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?"
it was invented in a home when a man could not open his door, so he took a piece of would carved it into a round shape, and nailed it in his door.
A man named Osbourn Dorsey has the first recorded patent for improvements on a
The doorknob was invented by Osbourn Dorsey in 1878. Thanks to him, we can get in and out of places!
The first person to invent doorknob was Osbourn Dorsey, who invented it in 1878. Dorsey had got a patent for improving the device for closing doors. There is not much information
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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