When was Lonnie Johnson officially granted the patent for the air-pressure-based water gun invention?
Answer
May 27, 1991
The critical date for securing the legal rights to the invention, covering the air pressure chamber apparatus, was May 27, 1991.
Related Questions
What was Lonnie Johnson's primary field of work when he was employed by NASA?What was the intended purpose of the high-powered water-based heat pump system Lonnie Johnson was developing?In what location did Lonnie Johnson accidentally create the powerful jet of water that sparked the invention?When was Lonnie Johnson officially granted the patent for the air-pressure-based water gun invention?What was the specific name of the very first Super Soaker model released to the public?Which corporation first partnered with Lonnie Johnson to manufacture and release the Super Soaker?What core technology differentiated the Super Soaker SS 50 from traditional pump-style water pistols of the era?In what year did the Super Soaker SS 50 arrive on store shelves?Which prestigious museum permanently houses the original Super Soaker in its collection?What degree did Lonnie Johnson earn from Tuskegee Institute in 1975?