Saturday, 14 March 2015

famous inventions-12


Gordon Gould received a patent for the laser - the history of lasers from 1917 to the present. 

Laser Disc

David Paul Gregg first envisioned the optical or laser disc in 1958 and patented it in 1969.

Laser Printers

The history of computer laser printers.

Lava Lamp

Post-war England was the perfect backdrop for Craven Walker to create this swinging 60's icon.

Lawn Mowers

The first patent for a "machine for mowing lawns" was granted to Edwin Beard Budding on August 31, 1830.

La-Z-Boy Recliner

Cousins Edward Knabusch and Edwin Shoemaker designed a wood slat outdoor folding chair from orange crates - the first La-Z-Boy recliner.

LCD - Liquid Crystal Display

James Fergason was the inventor of an improved liquid crystal display or LCD.

Letter Box

Philip Downing invented the letter drop letter box in 1891. The history of the mail.

Lie Detector

John Larson invented the polygraph or lie detector in 1921.

Life Savers Candy

The history of the candy called life savers.

Lightbulb & Lamp Related

Read about the history of lighting - including fluorescent lamps, halogen lights, lightbulbs, mercury vapor lighting and tungsten wire.


Sailors in unfamiliar waters welcome the sight of lighthouses, buoys beacons and other navigational aids as guideposts to safe harbor.

Light Microscope

Read about the history of the microscope, from the earliest models to today's scanning electron microscope.


In 1860, Fredrick Walton invented linoleum the home floor covering.


Dr. Giorgio Fischer, a gynecologist from Rome, Italy, invented the liposuction procedure in 1974.

Lisa Computers

The first home computer with a GUI or graphical user interface was Apple's Lisa.

Liquid Paper

Bette Graham received a patent for "Liquid Paper".

Liquid Soap

The original liquid soap was introduced in 1980.


While the original inventor of the lock is lost in history, there are many inventors and patents still found on record.


Samuel Born was a Russian immigrant who invented a lollipop making machine.


The history of music speakers.


A brief history of LSD and how it was invented.

Lunchbox (Metal)

The first metal lunchbox produced was the Hopalong Cassidy created by the Aladdin company in 1950.