However, the first modern three point seat belt (the so-called CIR-Griswold restraint) used in most consumer vehicles today was patented in 1955 U.S. Patent 2,710,649 by the Americans Roger W. Griswold and Hugh DeHaven.\n\nAnswer this question based on the passage: when was the three point seat belt invented?
Please answer the following question by reasoning step-by-step.
1955
To answer the above question, the relevant sentence is: However, the first modern three point seat belt (the so-called CIR-Griswold restraint) used in most consumer vehicles today was patented in 1955 U.

S.

Patent 2,710,649 by the Americans Roger W.

Griswold and Hugh DeHaven.

.

So, the answer is 1955