Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Miscellaneous laboratory apparatus and elements – per se
Reexamination Certificate
2011-05-24
2011-05-24
Siefke, Sam P (Department: 1772)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Miscellaneous laboratory apparatus and elements, per se
C422S105000, C073S864160
Reexamination Certificate
active
07947234
ABSTRACT:
A handheld multichannel pipette includes multiple fluid-handling nozzles and a rotary adjustment mechanism for adjusting the width of a pattern of nozzles while maintaining equal spacing between pairs of nozzles. Embodiments of the adjustable-spacing multichannel pipette include an adjustable stop mechanism.
REFERENCES:
patent: 3855868 (1974-12-01), Suovaniemi
patent: 4779467 (1988-10-01), Rainin et al.
patent: 4830832 (1989-05-01), Arpagaus
patent: 5057281 (1991-10-01), Totti
patent: 5061449 (1991-10-01), Torti
patent: 6235244 (2001-05-01), Allen et al.
patent: 2007/0092410 (2007-04-01), Ricker
O'Connell Kenneth P.
Vitale Nicholas R.
Kilpatrick Bryan T
Rainin Instrument, LLC
Siefke Sam P
Wixon Clarke A.
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