See Part 1. The Early History, Section 10.9 (Windscreen Wipers).
Gladstone Adams was granted a patient for windscreen wipers in Great Britain in 1911.
William Folberth was granted a patient in 1922 for the first automatic (vacuum powered) windshield wiper mechanism.
Electric windscreen wipers were introduced in 1922.
A Studebaker car was fitted with windscreen washers in 1937.
In 1940 Chrysler provided models with two-speed wipers.
Note: Headlight wipers were first introduced by Saab in 1970.
