Bombora. Mark Paul invented the shortboard. See in circa 1980, the wide board ( very short about 6'5" behind him).

Bombora
Ken Winner so many innovations and designs:
1997 Designed, raced and promoted the first modern wide, short boards, precursors of the current Formula boards.
1995 Developed and patented the anti-ventilation skirt, a device that improves the speed of shortboards in light to moderate winds.
1990 Together with brother Karl Winner, developed an automated, computerized speed trap for windsurfers.
1986 With Larry Tuttle developed "pointer" fins, the first spinout-resistant, highly efficient racing fins. This basic design won the pro worlds in 1986 through 1989.
1985 With Larry Tuttle developed the Tuttle box, fin box of choice among racers.
1981 Built some of the first "sinker" wave boards and was
one of the first to sail them at Hookipa, the sport's premier surf-sailing venue.[
note some, not the first- that is because Mark Paul did that....at least some say he did anyway..!]1981 Ken Winner developed the adjustable mast track.
1980 Co-authored a popular windsurfing how-to book.
1980 Developed the carving jibe, a maneuver currently used by all intermediate and advanced windsurfers.
1979 Developed the adjustable boom with Larry Stanley.