Robert L Hood, William H Englehardt, Russell W Krch: Exercise equipment information, communication and display system. Jenner & Block, May 25, 1993: US05213555 (153 worldwide citation)

An information, communication and control system for use in a health club which accumulates data from various types of exercise equipment and permits a number of exercise machines to be raced against one another. The exercise machines are equipped with keyboards from which users can enter data inclu ...

Tomas F Leon, Robert L Hood, Robert E Quast, David J Thum, Emil S Golen: Exercise apparatus and method for simulating hill climbing. Life Fitness, Michael B McMurry, April 4, 1995: US05403252 (66 worldwide citation)

A climbing exercise apparatus is provided having a frame on which two pedals are pivotally mounted to provide a user with a vertically reciprocating exercise movement, and a control panel for user input and output. A dynamic break, alternator or the like applies a variable level of resistance (via a ...