1
Richard G Hamilton, David M Liu: Drug dispensing event detector. Aprex Corporation, Irell & Manella, July 3, 1990: US04939705 (94 worldwide citation)

A device for detecting the dispensing of drugs from a container in a way which eliminates false detection events due to mishandling of the container is disclosed. The device includes a container which may be opened and closed. It also contains a means for detecting the opening and separately detecti ...


2
John Urquhart, Richard G Hamilton: Drug dispenser having means for detecting dispensing events. Aprex Corporation, Irell & Manella, November 20, 1990: US04971221 (78 worldwide citation)

A device for monitoring the dispensing of drugs to a patient is disclosed. This device includes a detector which determines the actual physical delivery of the drug dosage to the patient. This eliminates ambiguities associated with devices in the art which only monitor inferentially the dispensing o ...


3
Joseph E Schlessinger, Richard G Hamilton: Pulmonary monitor. Critikon, Mark A Hofer, November 8, 1983: US04413632 (23 worldwide citation)

A pulmonary monitor for measuring a complex set of variables utilizing a group of three pushbuttons arranged to operate in a hierarchical pattern for facilitating operator control of the functions of the monitor.


4
Joseph E Schlessinger, Richard G Hamilton: Pulmonary monitor. Critikon, Mark A Hofer, October 15, 1985: US04546770 (18 worldwide citation)

A pulmonary monitor for measuring a complex set of variables utilizing a group of three pushbuttons arranged to operate in hierarchical a hierarchical pattern for facilitating operator control of the functions of the monitor.


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