In 1906 the Wrights received a patent for their method of flight control which they fiercely defended for years afterward, suing foreign and domestic aviators and companies, especially another U.S. aviation pioneer,
Glenn Curtiss, in an attempt to collect licensing fees. Their legal threats suppressed development of the U.S. aviation industry for several years. Letters that Wilbur Wright wrote to
Octave Chanute in January 1910 offer a glimpse into the Wrights' feeling about their proprietary work: "It is not disputed that every person who is using this system today owes it to us and to us alone. The French aviators freely admit it."
[4] In another letter Wilbur said: "It is our view that morally the world owes its almost universal use of our system of lateral control entirely to us. It is also our opinion that legally it owes it to us."
[5]
The
patent war stalled the development of the American aviation industry.