1. Benjamin Franklin invented bifocals , because he hated wearing glasses.
2. Coca-Cola was invented by Dr John Pemberton , a pharmacist.
3. Instant coffee was invented way back in 1906, by George c. Washington.
4. It took Gordon Gould 30 years to obtain the patent for the invention of laser.
5. French scientist, Louis Lenormand , in 1783 , invented parachute.
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