On this date in 1983, Richard M. Wolfe of Columbus, Ohio received a U.S. Patent for his invention, “a bench for supporting two persons engaged in sexual intercourse including a narrow platform for supporting the male in a supine position, arm and leg cradles for supporting the male in a spread eagle position, and a frame position to provide hand holds for a female standing straddle of the narrow platform.” Source: SexPatentsTheBook.com