1
Lev M Lipkovker: Ultrasonic transdermal system for withdrawing fluid from an organism and determining the concentration of a substance in the fluid. Endodermic Medical Technologies Company, Christensen O Connor Johnson & Kindness PLLC, April 8, 1997: US05617851 (390 worldwide citation)

A noninvasive method and apparatus for withdrawing fluid from an organism and determining the concentration of a substance in the fluid is disclosed. The noninvasive apparatus comprises a substance concentration sensor (120) that includes an extraction transducer (126) and a substance sensing transd ...


2
Lev M Lipkovker: Ultrasonic transdermal drug delivery system. Endodermic Medical Technologies Company, Christensen O Connor Johnson & Kindness, June 6, 1995: US05421816 (109 worldwide citation)

Ultrasonic energy is used to release a stored drug and forcibly move the drug through the skin of an organism into the blood stream. A housing (81) includes a cavity (67) defined by an assembly of ultrasonic transducers (65) and separated from the skin by a polymeric membrane (69) that stores the dr ...


3
Lev M Lipkovker, Wolfgang G Wunderlich deceased: Shuttle drive for reciprocably mounted line printer carriages. Mannesmann Tally Corporation, Christensen O Connor Johnson & Kindness, May 3, 1988: US04741267 (2 worldwide citation)

A weight unbalance shuttle drive for flexure mounted carriages (11) is disclosed. The weight unbalance shuttle drive comprises a pair of motors (49) attached to the flexure mounted carriage (11). Mounted on the shaft of each motor is an unbalancing weight (51). When the motors (49) are energized the ...