It is probable that no one knows this answer. Auto seat belts came into use well after seat belts had been in common usage in aircraft for decades and decades!
Seat belts were invented early in the 1880s, but were not patented (by a different person than the inventor) until late in the 1880s.
with rubber
in 1970
See History of seat belts
late 1800`s
Seat belts were invented by George Cayley in the 1800's.
Seat belts and common sense.
Seat belts were invented in the 19th century by the English engineer George Cayley, but were not required to be installed in new cars in the US before 1959.
Seat belts were invented by an English engineer named George Caylay in the 19th century. A man named Edward Claghorn of New York, was granted the first patent for a safety belt.
They invented the airbag, ABS, ESP and 3 point seat belts.
Seat belts are unsafe because they can get stuck in a fire. Throw back someone inside the seat belt. Seat belts can choke people.
Not if they did not come from the factory with seat belts. If they came form the factory with seat belts you are required to wear them.