Inventors-United States-History Inventions History Fitch, John-First Steamboat Fulton, Robert-Steamboat services Evans, Oliver-High-pressure steam engine Shreve, Henry Miller-Freed the waterways Whitney, Eli-Cotton gin Slater, Samuel-Dressing America Colt, Sam-Mass marketing-Guns Morse, Samuel Finley Breese-The telegraph Drake, Edwin-Drilling for Oil Damadian, Raymond-MRI scanner Omidyar, Pierre-eBay Page, Larry-Google Brin, Sergey-Google Nidetch, Jean-Weight watchers club Watson, Thomas-IBM Handler, Ruth-Barbie Kildall, Gary-PC software Cooney, Joan Ganz-Sesame street Strauss, Levi-Blue jeans Judah, Theodore Dehone-Transcontinental Railway Edison, Thomas Alva-Science of innovation Baekeland, Leo Hendrik-Plastic Wright, Wilbur Morgan, Garrett Augustus-Gas mask Armstrong, Edwin Howard-Modern radio Rosenthal, Ida-Maidenform Bra tycoon Farnsworth, Philo T.-Television Walt Disney-Entertainment empire