Title: Prince Henry of Prussia (1862–1929)
Content: became the club's patron. Henry was interested in motor cars as well and supposedly invented a windshield wiper and, according to other sources, the car horn. In his honor, the "Prinz-Heinrich-Fahrt" (Prince Heinrich Tour) was established in 1908, like the earlier Kaiserpreis a precursor to the German Grand Prix. Henry and his brother William gave patronage to the Kaiserlicher Automobilclub (Imperial Automobile Club). Henry also was an early proponent of introducing submarines and airplanes. He had merchant ships converted into seaplane tenders for operations in the Baltic Sea. Henry respected his brother, but this attitude was not returned in the

Title: Prinz-Heinrich-Fahrt
Content: Prinz-Heinrich-Fahrt The Prinz-Heinrich-Fahrt ("Prince Heinrich Tour", also known as Prince Henry Tour), named after Prince Albert Wilhelm Heinrich of Prussia, was an automobile contest held from 1908 to 1911 and a precursor to the German Grand Prix. The brother of Emperor Wilhelm II, who had staged a Kaiserpreis for automobiles in 1907 (and for other sports also), was an automobile enthusiast and inventor. Only production touring cars with four seats and three passengers were admitted, no special made race cars. The trophy for the winner was a model car made of 13,5 kg silver. Ferdinand Porsche himself won in 1910.

Title: Rallying
Content: organisation and confusing regulations. One participant had been Prince Henry of Austria, who was inspired to do better, so he enlisted the aid of the Imperial Automobile Club of Germany to create the first "Prinz Heinrich Fahrt" (Prince Henry Trial) in 1908. Another trial was held in 1910. These were very successful, attracting top drivers and works cars from major teams – several manufacturers added "Prince Henry" models to their ranges. The first Alpine Trial was held in 1909, in Austria; by 1914, this was the toughest event of its kind, producing a star performance from Britain's James Radley in

Title: Prinz-Heinrich-Fahrt
Content: The last event was in 1911, not as contest, but as a touristic event. Prinz-Heinrich-Fahrt The Prinz-Heinrich-Fahrt ("Prince Heinrich Tour", also known as Prince Henry Tour), named after Prince Albert Wilhelm Heinrich of Prussia, was an automobile contest held from 1908 to 1911 and a precursor to the German Grand Prix. The brother of Emperor Wilhelm II, who had staged a Kaiserpreis for automobiles in 1907 (and for other sports also), was an automobile enthusiast and inventor. Only production touring cars with four seats and three passengers were admitted, no special made race cars. The trophy for the winner was

Title: Protos of Nonnendamm
Content: This revolutionary design worked well and was much quieter than other twin engines in the country, providing up to 14 hp and remaining in production for several years. Protos' six-cylinder vehicle found many buyers, including Crown Prince Wilhelm II, and his brother Prince Heinrich of Prussia who invented and patented the first windscreen wipers for cars in 1908. Crown Prince Wilhelm II's stable of cars consisted entirely of Protos so that the firm could advertise in 1911 ""The German Crown Prince, a sportsman and automobile expert, drives only Protos vehicles."" In 1906 the headquarters were moved from 39 Schöneberg Großgörschenstraße

Question: Which innovation for the car was developed by Prince Henry of Prussia in 1911?
Answer: Windshield wipers