Pipette
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United States of America Patent
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Jan 24, 1995
Issued Date -
N/A
app pub date -
Jun 22, 1993
filing date -
Aug 22, 1990
priority date (Note) -
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Abstract
A pipette has a first and second piston to provide for a precise dose measurement and delivery, and a second dose which can be an air blowout to fully expel the precise measured first dose. Preferably, two pistons used are of different diameter with a difference in diameters permitting precise measurement of small doses of, for example, 10 microliters or less.
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