1971 - Tandem Bar Design 1971 - Stationary Platform (harness) 1972 - Motorized Platform (harness) 1974 - Parasail Winchboat, # 3,987,746 1980 - Winchboat for US Air Force 1985 - Outboard powered Winchboat 1986 - Aerial Recliner, # 4,738,414 1987 - Tandem Passenger Aerial Recliner 1988 - 3 Passenger Aerial Recliner Design 1990 - TruPutt - Putter Design for Golf 1993 - Winchboat Hull Design 1994 - Improved Winchboat Design 1994 - Parasail Rope Guide System, # 5,367,972 1994 - Conversion Kits for Harness Winchyboats 1994 - UL approved sportboat design 1996 - Improved Aerial Recliner, # 5,816,184 1998 - Aerial Recliner Design, PT # 392,242 1999 - Strap Assembly for Parasailing # 6,085,682