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Johannes H W Leuvering: Metal sol particle immunoassay. Akzona Incorporated, Robert H Falk, Charles A Wendel, Frank W Young, February 2, 1982: US04313734 (311 worldwide citation)

A method, test kit and labeled component for the detection and/or determination of one or more components of the reaction between a specific binding protein and the corresponding bindable substance, in which one or more labelled components are used, that are obtained by coupling particles of a dispe ...


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Frederick H Raab: Remote object position and orientation locater. The Austin Company, Price Heneveld Huizenga & Cooper, February 2, 1982: US04314251 (262 worldwide citation)

Two mutually orthogonal radiating antennas each transmit electromagnetic radiation to three mutually orthogonal receiving antennas. The transmitted electromagnetic radiation carries data characterizing the phase and magnetic moment of the electromagnetic radiation. Measurement of the two transmitted ...


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David Segal: Fracture fixation. Charles Hieken, February 2, 1982: US04313434 (211 worldwide citation)

Fixation of a long bone is accomplished by drilling a small opening into the medullary cavity, inserting a deflated flexible bladder into the medullary cavity through the opening, inflating the bladder with sterile air through an opening accessible outside the bone, sealing the opening, unsealing th ...


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Albert L Babb, Richard E Parks: Automated, spring-powered medicament infusion system. Biotek, February 2, 1982: US04313439 (158 worldwide citation)

A system is provided for the administration of a medicament, such as insulin, to a patient in small, controlled doses over an extended period in response to a continuously generated force. The force may be maintained continuously on a reservoir of the medicament in intermittent communication with a ...


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Richard G Powell, Cecil R Smith Jr: Chemotherapeutically active maytansinoids from Trewia nudiflora. The United States of America represented by the Secretary of Agriculture, M Howard Silverstein, David G McConnell, Curtis P Ribando, February 2, 1982: US04313946 (134 worldwide citation)

A novel group of maytansinoid compounds has been discovered in the seed tissue of Trewia nudiflora. They are represented by the general formula ##STR1## and are all characterized by a distinguishing methoxy group on the C-15 carbon. These isolates have proven to be effective in causing the remission ...


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Raymond Bakka, Marc P G Dieudonne: Switching circuit for digital packet switching network. Le Materiel Telephonique Thomson CSF, Roland Plottel, February 2, 1982: US04314367 (134 worldwide citation)

The switching circuit comprises an interface to the interior which comprises two-way gates which are connected to internal interfaces of other switching circuits of said network, each of said gates comprising a l-input and n-output receive circuit and an n-input and l-output transmit circuit, one in ...


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Eric R Moore, Marlin S Heilman, Philip C Kinney: Device and method for making electrical contact. Mieczyslaw Mirowski, Fleit & Jacobson, February 2, 1982: US04314095 (134 worldwide citation)

A specialized clip and method for electrically and mechanically joining a highly-flexible electrical conductor and a fine metallic mesh or screen for use in medical electrodes. The clip is in the form of an inverted U and has a portion of the wire mesh folded thereinto such that upon insertion of th ...


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Katsuji Yamashita, Yasushi Nomura: Automatic chemical analyzing method and apparatus. Hitachi, Craig and Antonelli, February 2, 1982: US04313735 (132 worldwide citation)

A train of cuvettes are held on a turntable and serum specimen is sequentially sampled each time the turntable makes a revolution through more than 360.degree.. While the turntable is at rest, blank solution is poured into one cuvette, reagent is put into another cuvette and reactant solution is dra ...


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John A DiBlasio: Self-compensating stripper assembly for document handling and counting apparatus. Brandt Pra, Weinstein & Sutton, February 2, 1982: US04313598 (132 worldwide citation)

A self-compensating stripper assembly cooperating with a feed roller for separating sheets from a stack and feeding them one-at-a time to facilitate counting, examining and endorsing operations on each individual sheet. Said assembly has a pivotally mounted stripper member positioned upon the free e ...