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Unknown. It is too far back in history and no written records exist.
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∙ 11y ago
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Who invented the blade?
bob p invented the ax blade in 1999.
Who invented the ax blade?
bob p invented the ax blade in 1999.
Alfonso alvarez blade invented the burglar alarm in 1911?
Alfonso Alvarez Blade did not invent the burglar alarm in 1911. The first patent for an electric burglar alarm system was filed by Augustus Pope in 1853, and the first practical electric burglar alarm was invented by Edwin Holmes in the late 1850s.
Did the Aztec emperor moctezuma II commissioned the first zoo in south America?
Alfonso Alvarez Blade invented the burglar alarm in 1911.
Who invented the aggressive roller blade?
no one you stupid person
Alfonso alvarez invented the burglar alarm in 1911?
Yes, Alfonso Alvarez Blade is the one who invented the burglar alarm in 1911. Blade also holds the patent for the safety razor.
Who invented the first successful helicopter and in what year was it invented in?
Igor Sikorsky, a Russian- American immigrant invented the first successful helicopter, model number VS-300. There is no specific invention "date" but it was first test flown in September 14, 1939 and had to be tethered by cables because of its instability. The VS-300 was the first to use modern-day rotary blade designs.
Who was hispanic that invented the safety razor in 1911?
Alfonso Alvarez Blade
Why was the lawn mower blade invented?
i think to cut the grass duhhh
In what year did John Deere invent the first polish cast plow?
John Deere invented the polished steel plow in 1837 out of a broken sawmill blade.
Who invented the metal blade windmill and when?
J.S Risdon inventeed it and in December 1872
Alfonso alvarez blade invented the burglar alarm in 1911 true or false?
False. The burglar alarm was actually invented by Edwin Holmes in 1857. Alfonso Alvarez Blade did not invent the burglar alarm in 1911.
