Ergonomic return springless manual air displacement pipette
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United States of America Patent
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-
Nov 11, 2003
Grant Date -
Jun 27, 2002
app pub date -
Mar 4, 2002
filing date -
Mar 9, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ergonomic, manually precisely controllable return springless air displacement pipette relying upon the friction of a piston seal to maintain a plunger unit of the pipette in any axial location established by a user of the pipette.
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