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Lloyd Ray was the first African American to receive a patent for improving the dustpan by attaching a short, wooden handle to a metal collection plate. He received the patent on August 3, 1897.
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Who invented the cathode ray tube in the 1970s?
William Crookes invented cathode ray tubes.The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897.
How was the Cathode Ray Tube Amusement device invented?
Cathode ray tube amusement device was created in 1947.
Who invented the x-ray grid?
Dr Gustave Bucky is the original inventor of the x-Ray grid. He made this in 1913. He was born September 3, 1880.
What things were invented in the 1890s?
the motorcycle, x-ray and more that i cant seem to find on this stupid website Rawr im mad.... :)
Who invented styrofoam cups?
Foamed polystyrene, or Styrofoam, was discovered in 19541 by Ray McIntire. They rediscovered a method first discovered by Carl Munters.
Who invented the first dustpan?
Lloyd p. ray
What black person invented the dust pan?
The dustpan was invented by an American man named T.E. McNeill in 1858.
When did Lloyd p ray make the dustpan?
in August
Why did Lloyd P. Ray invent the dustpan?
Actually, there is some question about whether he actually invented it; some historians believe the dustpan had already been invented. But it is beyond dispute that Ray improved it. He added a long handle, so that so people could use the device more easily: they would be able to clean, without getting their hands dirty.
When did LP ray create the dustpan?
1996
What did Lloyd Ray invent?
He invented the improved dust pan.
In what year did Ray Holt invented the processor?
The year that Ray Holt invented the processor was 1971
The x ray was invented in what year?
it was invented in 1895
What inventions did LP Ray create?
L. P. Ray invented a device with a metal plate attached to a wooden handle used to collect piles of swept dust or trash. This device is in common use today, and is known as a "dustpan".
Information on Lloyd ray the inventor?
can you give me a brief review of lloyd ray?
Where was Lloyd P Ray born?
Lloyd p ray was born in seattle,Washington
What did Lloyd p ray-dust pan inventor do for a living?
Lloyd P. Ray was an acountant.
