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Inventors Famous Inventors : I To J

Mary Phelps Jacob
Mary Jacob and the history of the bra. Several patents were issued for women's undergarments.

Clayton Jacobsen II
Invented the Jet Ski.

Joseph Marie Jacquard
Invented the Jacquard Loom that weaved complex designs.

Eli Janney
The Janney coupler was an improvement in railroad car couplers that became the standard for the railroad freightcar couplers used even today.

Robert Jarvik
Invented the Jarvik 7 artificial heart.

Thomas Jefferson
Thomas Jefferson was the third President of the United States, who invented the swivel chair, the spherical sundial, the moldboard plow and the cipher wheel.

Charles Francis Jenkins
Jenkins invented a mechanical television system called radiovision and claimed to have transmitted the earliest moving silhouette images on June 14, 1923.

Thomas Jennings
The first African American man to receive a patent on March 3, 1821 (US patent 3306x).

Steve Jobs
One of the forces behind the Apple computer.

Amanda Theodosia Jones
Changed the history of American food production by inventing vacuum packed canning.

Frederick Jones
Invented the first automatic refrigeration system for long-haul trucks.

Jack Johnson
The world's first African American heavyweight champion in history, also received a patent for a wrench (U.S.patent#1,413,121) on April the 18th, 1922.

Lonnie Johnson
Invented the Super Soaker®, a squirt gun. Johnson also invented thermodynamics systems, on the side.

Willis Johnson
Patented an improved mechanical egg beater on February 5, 1884.

Marjorie Stewart Joyner
Invented a permanent wave machine that would allow a hairdo to stay set for days.

Whitcomb Judson
Invented the "Clasp Locker", an early version of the zipper.

Ernest Everett Just
Eminent marine biologist, considered a leader and authority for his work with cell development.

Percy Lavon Julian
Julian received patents for synthesizing the medicines physostigmine for glaucoma, and cortisone for rheumatoid arthritis. He also received a patent for fire-extinguishing equipment.

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