Robert_Frank_Borkenstein
Robert Frank Borkenstein (August 31, 1912 – August 10, 2002) was an American inventor, researcher, and professor. His inventions include the Breathalyzer.
Breathalyzer
Robert Frank Borkenstein (August 31, 1912 – August 10, 2002) was an American inventor, researcher, and professor. His inventions include the Breathalyzer.