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erna hoover invented the first computerized switching system for telephone call traffic.
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∙ 13y ago
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Why did James spangler invent the hoover?
james spangler invented the vacuum cleaner to clean
What did Alfred Vail invent and why did he invent it?
what did Obama invent
What did Louis w Roberts invent?
Roberts helped to invent the microwave, but did not invent it by himself.
What did Richard Arkwright invent and when did he invent it?
because of inportance
What did William Armstrong invent?
What did William armstrong invent ????????
When was Erna Schneider Hoover born?
Erna Schneider Hoover was born in 1926.
How old is Erna Schneider Hoover?
Erna Schneider Hoover is 88 years old. She was born on June 19, 1926.
Is the inventor Erna Schneider Hoover still alive?
I am Erna Schneider Hoover. I am alive and well and living in Summit, New Jersey.
Where was Dr Erna Schneider Hoover born?
Dr. Erna Schneider Hoover was born in Irvington, NJ on June 19, 1926.
When did Henry Hoover invent the Hoover?
he invented it in o A.D
What vacuum cleaners did James Dyson invent?
hoover
What did James spangler invent?
Hoover Vacuum Cleaners
What invention did Herbert Hoover invent?
He was a very successful mining engineer. He may have invented some new methods for handling mining difficulties. (He did not invent the Hoover vacuum.)
Did Herbert Hoover invent Facebook?
Not even close. The first personal computer was 40 years after Hoover.
Why did James spangler invent the hoover?
james spangler invented the vacuum cleaner to clean
Who was the first person to invent vacuums?
His second name was hoover but i cant really remember his first name?! :,
Who was the first person to invent vacuum cleaners?
His second name was hoover but i cant really remember his first name?! :,
