3 ms·
Progressive patented this in 1998 https://patents.google.com/patent/US5797134A/en https://patents.google.com/patent/US5797134A/en
by missedthecue 5y ago
Progressive patented this in 1998
https://patents.google.com/patent/US5797134A/en https://patents.google.com/patent/US5797134A/en