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The credit of inventing the protective public mailbox(letter-box) goes to the Philip B. Downing, who was from Boston, Massachusetts, had been awarded a U.S. patent(No.462,093) for animprovement to the street letter (mail) box on Oct. 27, 1891.
http://www.briskinfo.com/inventions/who-invented-street-letter-drop-mailbox.html
What else can I help you with?
Where did Philip b downing live?
Boston, Massachusetts
Where did Philip b downing go to school?
Philip B. Downing attended the Massachusetts Institute of Technology (MIT), where he studied mechanical engineering. He is known for his inventions, including the mailbox design that contributed to modern postal systems. His education and innovations have had a lasting impact on engineering and communication.
What did James b duke invent?
Tobacco
When did John B Curtis invent gum?
1848.
What year was Mary Downing Hahn born in?
Mary Downing Hahn was born in 1937.
What did Philip downing invent?
Philip downing invented the mailbox
When Philip B Downing died?
what was Philip b downing death. and what year he died
Is Philip B Downing alive?
yes
What else did Philip Downing invent besides the mailbox?
an electrical switch for railroads
What is the birthday of Philip B. Downing?
September 3,1871
Where did Philip b downing live?
Boston, Massachusetts
When was Philip B Downing bron?
February 20 1850
When was Philip B. Downing born?
oct. 24 , 2009
Did Philip b downing have kids?
Yes, Philip B. Downing had children. He was married and had a family, although specific details about his children are not widely documented. Downing is best known for his contributions as an inventor, particularly for his patent for an improved mailbox design.
How was Philip b downing educated?
Philip B. Downing was likely educated in public schools in the United States during the late 19th century when he was growing up. He may have also received further education in design and invention through apprenticeships or specialized courses.
Where did Philip b downing go to school?
Philip B. Downing attended the Massachusetts Institute of Technology (MIT), where he studied mechanical engineering. He is known for his inventions, including the mailbox design that contributed to modern postal systems. His education and innovations have had a lasting impact on engineering and communication.
Why did Philip b downing invent a mailbox?
Philip B. Downing invented the mailbox to improve the efficiency and security of mail delivery. Before his invention, mail was often left in unsafe locations, making it vulnerable to theft and damage. By creating a standardized mailbox design, he aimed to provide a safe and convenient way for people to send and receive mail securely, ultimately enhancing communication in society. His invention contributed significantly to the development of modern postal systems.
