Iowa Inventors
Clifford Berry co-invented the first electronic computerDonald L. Campbell revolutionized the petroleum industry through fluid catalytic cracking
Wallace Hume Carothers Nylon and Neoprene
Lee DeForest invented the triode amplifier and space telegraphy
George Gallup invented the gallup poll
Norman Borlaug experimenting with improvement of grains awarded the 1970 Nobel Peace Prize for his efforts to eradicate hunger and build international prosperity
Hannah Harger invented the screen door
Dr. W.D. Paul & Dr. J. I. Routh invented buffered aspirin and antacid tablets
Jesse Hiatt invented the Delicious apple
George Nissen invented the trampoline
Christopher Nelson invented Eskimo Pie
John Froelich invented the first gasoline-powered tractor
Ray Townsend patented more than one hundred and twenty-seven inventions, including a device that stripped skin from pork called the Townsend Model 27, and a machine that produced linked hot dogs called the Frank-a-Matic.
Iowa Inventors Group - Iowa Inventors Database - Patents, Trademarks and Copyrights @ State Library of Iowa
