Schwinn Cycling & Fitness Inc., Airdyne.RTM.Backdraft.TM. Recumbent Bike, 1996. Schwinn Cycling & Fitness Inc., Airdyne.RTM. Windsprint.TM. Interval Bike, 1996. Primary Examiner: CHARLES, MARCUS Attorney, Agent or Firm: Nautilus, Inc. (Denver, CO, US) ...