1
Shock John P: Ultrasonic cataract removal method and apparatus. Ultrasonic Systems, Suroff Leonard W, December 31, 1974: US3857387 (75 worldwide citation)

Ultrasonic instrumentation for the removal of unwanted tissue material from an animal, such as a human, and more particularly, adapted for the removal of cataracts, in surgical operations. The ultrasonic instrumentation includes a hand-held instrument adapted to have a vibrating tool to reduce the v ...


2
Kolt Stanley: Passive building vents. Kolt Stanley, SUROFF Leonard W, July 23, 1992: WO/1992/012388

A passive building vent (10) on an outside wall (18), is connected to an opening (25) provided in the wall (10). A housing (30) disposed between the confined air (20) and the outside air (16) forms an air mixing chamber (32). A movable membrane (35) is mounted within the housing (30) at one end of t ...