«The Wright Brothers, Patents, and Technological Innovation». buckeyeinstitute.org. Besøkt 7. mars 2009. «This unusual arrangement could have been interpreted as a violation of antitrust law, but fortunately it was not. It served a clear economic purpose: preventing the holder of a single patent on a critical component from holding up creation of an entire aircraft. Practically, the pool had no effect on either market structure or technological advances. Speed, safety, and reliability of US made airplanes improved steadily over the years the pool existed (up to 1975). Over that time several firms held large shares of the commercial aircraft market: Douglas, Boeing, Lockheed, Convair, and Martin, but no one of them dominated it for very long.»