1
Irving Friedman: Infusion pump with feedback control. Diana W Friedman, DeLio and Montgomery, March 14, 1978: US04078562 (38 worldwide citation)

An episodic infusion pump apparatus with feedback control for periodically administering a pharmaceutical, such as oxytocin or the like, to induce labor in a pregnant woman. The drug is administered at periodic intervals except during labor contractions or when the fetal heartrate indicates fetal di ...


2
Irving Friedman: Respirator. Diana W Friedman, DeLio and Montgomery, November 29, 1977: US04060077 (2 worldwide citation)

A respirator for infants wherein air is delivered to a nasal catheter at a preset pressure during the inspiratory phase, the flow being maintained in an amount sufficient to maintain the pressure regardless of leakage, while pressure and volume are monitored during the expiratory phase through a bel ...