Before revision: One of his patents describes in 1979 the first use of an inflatable kite design for kitesurfing.Patent DE2933050 Two brothers, Bruno Legaignoux and Dominique Legaignoux, from the Atlantic coast of France, developed kites for kitesurfing in the late 1970s and early 1980s and patented an inflatable kite design in November 1984, Legaignoux, D. L. (1987).
After revision: One of his patents describes in 1979 the first use of an inflatable kite design for kitesurfing.Patent DE2933050 Two brothers, Bruno Legaignoux and Dominique Legaignoux, from the Atlantic coast of France, developed kites for kitesurfing in the late 1970s and early 1980s and patented an inflatable kite design in November 1987Legaigneux, B. L., Legaignoux, D. L. (1987).