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In 1951 Al Gross developed a cordless one |
a telephone
|
$800 |
DJ |
WHAT AN INVENTION |
2015-05-08 |
#7065 |
|
In 2002 Congress recognized Antonio Meucci as the inventor of this in 1860, 16 years before a certain Scotsman |
the telephone
|
$2,000 |
DJ |
INVENTORS & INVENTIONS |
2009-11-03 |
#5782 |
|
The first touch-tone one of these was placed in service in 1963 |
a telephone
|
$200 |
J |
INVENTIONS |
2004-05-28 |
#4555 |
|
Elisha Gray & Alexander Graham Bell contested the invention of this device all the way to the Supreme Court |
the telephone
|
$100 |
J |
INVENTORS |
1993-12-16 |
#2139 |
|
Inventor & draftsman Lewis Latimer drew up the papers on this Bell inventions |
the telephone
|
$200 |
J |
BLACK INVENTORS |
1992-04-15 |
#1768 |