Dispensing – With discharge assistant – With discharge volume varying means
Patent
1977-08-08
1979-10-16
Swisher, S. Clement
Dispensing
With discharge assistant
With discharge volume varying means
734256, B01L 302, G01F 1106
Patent
active
041710738
ABSTRACT:
Currently available repeatable fluid dispensers require two valves. This invention eliminates one valve thus making possible a dispenser of more compact design and which possesses greater accuracy, greater precision and improved capability to dispense micro-quantities of fluid.
REFERENCES:
patent: 1757733 (1930-05-01), Pritchard
patent: 3191807 (1965-06-01), Rodrigues
patent: 3478934 (1969-11-01), Lindquist
patent: 3722758 (1973-03-01), Warren et al.
Mann Herman C.
Mann Robert N.
4M Biological Products and Services
Swisher S. Clement
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