Craven Walker
Craven Walker invented the swinging 60's icon, the Lava Lite® lamp.

Hildreth "Hal" Walker
Hal Walker received a patent for laser telemetry and targeting systems.

Madame Walker
Madame Walker was a St. Louis washerwoman turned entrepreneur, who invented a method to soften and smooth kinky hair.

Mary Walton
Mary Walton invented several anti-pollution devices during the Industrial Revolution.

An Wang
An Wang received a patent for the principles of magnetic core memory.

Harry Wasylyk
Harry Wasylyk invented the green garbage bag.

Lewis Edson Waterman
Lewis Edson Waterman invented an improved fountain pen.

James Watt
James Watt invented improvements to the steam engine.

Robert Weitbrecht
Robert Weitbrecht invented TTY also called TDD or the tele-typewriter.

James Edward West
James West holds 47 US and more than 200 foreign patents on microphones and techniques for making polymer foil-electrets.

George Westinghouse
George Westinghouse perfected the first automatic, electric block signal. He helped spearhead the development of alternating current and figured out an efficient way to transmit clean, natural gas to homes. He invented an improvement to steam-powered brakes or air brakes.

Don Wetzel
Don Wetzel and the history of the modern automated teller machines (ATM).

Charles Wheatstone
Invented an early telegraph, microphone, and the accordion.

Schulyer Wheeler
In 1886, Schulyer Wheeler invented the electric fan.

John Thomas White
African American, John White patented a lemon squeezer in 1896.

Eli Whitney
Eli Whitney invented the cotton gin in 1794. The cotton gin is a machine that separates seeds, hulls and other unwanted materials from cotton after it has been picked.

Sir Frank Whittle
Hans von Ohain and Frank Whittle and the history of the jet engine.

Stephen Wilcox
Stephen Wilcox received a patent for of the water tube steam boiler.

Dr Daniel Hale Williams
Dr. Daniel Hale Williams was a pioneer in open heart surgery.

Robert R Williams
Robert Williams invented ways to synthesize vitamins.

Thomas Willson
Thomas Leopold Willson invented a process for Calcium Carbide.

Carol Wior
Invented the Slimsuit, a slimming swimsuit.

Joseph Winters
Patented the fire escape ladder.

Granville T Woods
Granville Woods invented improvements to electric railways, air brakes, telephones and telegraphs, a chicken egg incubator and an apparatus for an amusement park ride.

Steven Wozniak
Steven Wozniak was the co-founder of Apple Computers.

Wilbur and Orville Wright
Wilbur Wright and Orville Wright received a patent for a "flying machine" that we know as the airplane.

Arthur Wynne
Arthur Wynne invented the crossword puzzle.

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