Dispensing – With discharge assistant – With discharge volume varying means
Patent
1981-04-30
1988-12-27
Reeves, Robert B.
Dispensing
With discharge assistant
With discharge volume varying means
222333, 222334, 222340, G01F 1106, G01F 1130
Patent
active
047935243
ABSTRACT:
A metering-type dispenser device, of integrated nature having its own liquid reservoir, particularly for the metered dispensing of liquid reagents in a chemical assay, in which there is an independence of the liquid reservoir from any pressure such as used in activating the pumping stroking of the pumping head member of the device.
REFERENCES:
patent: 1984296 (1934-12-01), Witter
patent: 2140679 (1938-12-01), McKeever
patent: 2760690 (1956-08-01), Whaley
patent: 3386622 (1968-06-01), Cox et al.
patent: 3851801 (1974-12-01), Roth
American Monitor Corporation
Reeves Robert B.
Spray Robert A.
Stormer Russell D.
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