Joseph P. Lester

Criticare designs, Inc. manufactures and markets vital signs and gas monitoring instruments and related noninvasive sensors used to monitor patients in many healthcare environments. Their products also provide readings for electrocardiograms and monitor oxygen saturation, carbon dioxide levels, blood pressure, temperature, heart rate, and respiration rate. The company also makes reusable pulse oximetry sensors for use with its equipment. Criticare sells its products to hospitals, nursing homes and physician offices in the U.S. and abroad. The firm was founded in 1984 and is located in Waukesha, WI.