1
Randy D Sines, Steven L Forte, Norman G Kelln, Leonard A Hale: Playing card shuffling machines and methods. Casinovations, Wells St John Roberts Gregory & Matkin P S, December 17, 1996: US05584483 (186 worldwide citation)

Playing card shufflers having unshuffled stack holders which hold infeed arrays of playing cards. Ejectors are mounted adjacent an unshuffled stack holder, which can be stationary or movable. Cards are ejected and discharged from the infeed array at various random positions. The ejectors can be moun ...


2
Norman G Kelln, Thomas O Tiffany: Reagent handling. Fisher Scientific Company, August 16, 1988: US04764342 (160 worldwide citation)

A sealed reagent container structure that contains reagent material, has a body portion with length and width dimensions each greater than its height dimension and port defining neck structure upstanding from the upper wall of the body portion and asymmetrically located so that it is close to one en ...


3
Norman G Kelln, Larry A Nelson, Thomas O Tiffany: Cuvette handling. Fisher Scientific Company, April 19, 1988: US04738825 (45 worldwide citation)

An analysis system of the concurrent type has a multicuvette unit supply station, a loading station, an analysis station, and transport mechanism for transporting cuvette units in correlated orientation between the several stations. Each cuvette unit includes mechanical interlock structure that coop ...


4
Norman G Kelln, Larry A Nelson, Thomas O Tiffany: Cuvette handling. Fisher Scientific Company, Fish & Richardson, December 10, 1991: US05071625 (28 worldwide citation)

An analysis system of the concurrent type has a multicuvette unit supply station, a loading station, an analysis station, and transport mechanism for transporting cuvette units in correlated orientation between the several stations. Each cuvette unit includes mechanical interlock structure that coop ...


5
Norman G Kelln: Centrifugal analyzer. Fisher Scientific Company, July 14, 1987: US04680164 (17 worldwide citation)

An analysis system of the centrifugal analyzer type has an analysis station for receiving a multi-cuvette rotor unit with means at the analysis station for performing analyses on the contents of a plurality of cuvettes of a multi-cuvette rotor unit concurrently, and means at the analysis station for ...


6