Pumps – Expansible chamber type – Moving cylinder
Patent
1989-09-29
1991-03-12
Raevis, Robert
Pumps
Expansible chamber type
Moving cylinder
F04B 1902
Patent
active
049988662
ABSTRACT:
An improved liquid handling system for controllably dispensing, aspirating and intermixing various liquids through the use of a precision liquid metering and aspirating device having a fixed base and a rotatable fluid containing cartridge.
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patent: 4873877 (1989-10-01), Harris
Brunton James E.
Davis Meditech, Inc.
Raevis Robert
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