1. Cotton Gin (US72X) 2. Electric Motor (US132) 3. Phonograph (US200521) 4. Light Bulb (US223898) 5. Airplane (US821393) 6. The original all-in-one, the Mac 128K (USD285687) 7. Radio (US 645576, and US 649621) 8. Transistor (US 2524035 and US2569347) 9. Space Capsule Emergency Separation Device (US3001739) 10. Page Rank Algorithm (US6285999)

1. Cotton Gin
[US 72X]
‘G in’ is a shortened form of ‘engine’. This Cotton
engine separates the cotton from embedded seeds.
It was instrumental in the explosion of wealth of the
U nited States.
1
Electric Motor
[US 132]
2
D avenport received the first A merican patent on an
electric machine in 1837. This invention was
essential for the industrial revolution as it
provided the ability to take electric power
and convert it to mechanical energy.
Phonograph
[US 200521]
3
Edison patented a unique way to record, save and
reproduce sounds on demand. This was
the first memory device.
Light Bulb
[US 223898]
4
Commercially viable light bulb is Edison's biggest
invention. He knew how the invention would change the
world and said: " W e will make electricity so cheap that
only the rich will burn candles."
Airplane
[USD 285687]
5
A irplane is probably the greatest invention of
mankind. W right brothers figured out the governing
dynamics of controlled flight. To this day, all flying
machines use principles discovered by them.
Mac 128K
[USD 285687]
6
This is Steve J ob's first patent. It was a design patent
for the A pple M acintosh personal computer, which was
the first easy- to- use, low- cost computer for the
average consumer.
Radio
[US 645576, and US 649621]
7
In 1897 Tesla applied for two patents on radio. In 190 4,
the U .S. Patent Office reversed its decision,awarding
M arconi a patent for the invention of radio. It wasn't
until 1943, a few months after Tesla's death, that the
U .S. Supreme Court upheld Tesla's radio patents.
Transistor
[US 2524035 and US2569347]
8
The transistor revolutionized the field of electronics,
and paved the way for smaller and cheaper radios,
calculators, and computers, among other things. The
inventors were jointly awarded the 1956 Nobel Prize
in Physics for their achievement
Space Capsule
[US 3001739]
9
This patented technology is indespensible for the U S
manned mission program. It will not be possible to
bring astrounauts safely back to earth without this
technology. It was used on M ercury and A pollo crafts.
Page Rank Algo
[US6285999]
10
L arry Page and Sergey Brin filed patent for page rank
algorithm while they were studying at Stanford. The
patent was initially assigned to Stanford U niversity.
The U niversity received 1.8M shares of G oogle stock in
exchange for patent license to G oogle.
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