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Mark R Nauman: Membrane diffusion device with external compression. Baxter Travenol Laboratories, Henry W Collins, Paul Flattery, George Gerstman, April 22, 1980: US04199458 (2 worldwide citation)

A membrane diffusion device, such as a membrane oxygenator, is disclosed which comprises a stack of flat membrane wall pairs and flat membrane supports in alternating, interleaving relation. The casing includes a pair of opposed sidewalls that are substantially parallel to flat sides of the stack, a ...


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Horace T Jones: Reflectivity compensating apparatus. Baxter Travenol Laboratories, Henry W Collins, Paul Flattery, Thomas Vigil, March 11, 1980: US04192611 (1 worldwide citation)

The reflectivity compensating apparatus is utilized in a dual wavelength spectrophotometer wherein a chopper mirror, having alternating mirror segments and open spaces equal in area, cuts through a light beam from a light source and the mirror segments reflect light through a liquid sample in a samp ...


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Rene Lamadrid, Albert Kitchenham, C Michael Jennings: Latch assembly for latching platens in place within a centrifuge device. Baxter Travenol Laboratories, Henry W Collins, Paul Flattery, Thomas R Vigil, April 1, 1980: US04195766 (1 worldwide citation)

The latch assembly is utilized in a centrifuge device wherein a receptacle is received and held between first and second platens which have elastomeric linings and which are held generally upright in respective inner and outer parallel planes spaced radially outwardly from a vertical axis of rotatio ...


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