Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1992-12-01
1994-11-15
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
422103, 7386303, 7386413, 7386414, 7386415, 7386416, 7386418, B01L 302, G01N 114
Patent
active
053645960
ABSTRACT:
A manual pipette including user controllable latch and trigger mechanisms for releasably locking the plunger of the pipette in a "home" position ready for immersion of the pipette tip in a fluid to be drawn into the tip and further including a user controllable velocity governor for regulating the rate of plunger return from the "home" position to a first or upper stop position in drawing the fluid into the tip.
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patent: 4257267 (1981-03-01), Parsons
patent: 4268481 (1981-05-01), Suovaniemi et al.
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patent: 4406170 (1983-09-01), Kuhn
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patent: 4763535 (1988-08-01), Rainin et al.
patent: 4794085 (1988-12-01), Jessop et al.
patent: 4909991 (1990-03-01), Oshikubo
patent: 5111703 (1992-04-01), Allen
Homberg William D.
Magnussen, Jr. Haakon T.
Rainin Kenneth
Cano Milton I.
Housel James C.
Meads Robert R.
Rainin Instrument Co. Inc.
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