October 6, 1949

•  U.S. Air Force
• 1979 to 1991 at NASA, Jet Propulsion Laboratory
• May 27, 1986  Patented the “Power Drencher”  air-pressurized water gun
• 1991 Rebranded as “Super Soaker”
• Feb 27, 1995  Assigned Super Soaker patent to LARAMI CORP
• 1996 – patented the Nerf version of super soaker
• Excellatron Solid State, LLC
• Johnson Electro-Mechanical Systems (JEMS)
• 2008 awarded the Breakthrough Award from Popular Mechanics
•  2011 inducted into the State of Alabama Engineering Hall of Fame
• November 2013, Johnson was awarded nearly $73 million in royalties from Hasbro for super soaker & nerf guns

https://patents.google.com/patent/US4591071