Airbags
John W. Hetrick of Newport, Pennsylvania, USA invented the first airbag in 1952. He patented this new device in 1953. Nowadays, airbags are also called Supplementary Restraint Systems (SRS) or Supplemental Inflatable Restraints (SIR). Airbags are designed to complement the seatbelts in case of a collision. The airbag is very useful and approximately 400 lives are saved per year. Also, case studies show that the fatality percentage in case of a car accident is reduced by 8 percent. So this device is a must-have for any car. Almost all car producers implement airbags in most of their car designs so you can be better defended against injuries to the head and/or upper body.