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Charles Sperry
Jacob Grun, Charles K Manka, Jeffrey H Bowles, Michael R Corson, Jay F Sperry: Method and apparatus for identifying a substance using a spectral library database. The United States of America represented by the Secretary of the Navy, John J Karasek, L George Legg, October 14, 2008: US07436510 (17 worldwide citation)

A spectroscopic detector for identifying the presence of a first substance in the presence of another substance includes a laser for illuminating the substances at a plurality of wavelengths to induce the emission of radiation characteristic of the substance; a spectrometer for measuring the emitted ...


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John W Boretos, Robert A Poirier: Aortic heart valve catheter. The United States of America represented by the Department of Health Education and Welfare, John S Roberts Jr, Norman J Latker, Thomas G Ferris, November 8, 1977: US04056854 (696 worldwide citation)

An artificial valve remotely placeable in a blood vessel without major surgery to supplant the function of a malfunctioning natural valve including an expansible check valve remotely placed in a constricted configuration through the vessel and a remotely removable constraint for selective expansion ...


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David M Segal, Pilar Perez: Target specific cross-linked heteroantibodies. The United States of America represented by the Secretary of the Department of Health and Human Services, Holman & Stern, June 30, 1987: US04676980 (652 worldwide citation)

The present invention discloses a target specific cross-linked heteroantibody and a method of producing the same. The cross-linked heteroantibodies of the present invention can cause normal autologous cells of the immune system to destroy any unwanted cell for which an antibody is available. Treatme ...


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Ralph E Taylor, James W Sennott: Navigation system and method. The United States of America represented by the Administrator of the National Aeronautics and Space Administration, John O Tresansky, John R Manning, Ronald F Sandler, April 24, 1984: US04445118 (626 worldwide citation)

In a global positioning system (GPS), such as the NAVSTAR/GPS system, wherein the position coordinates of user terminals (14) are obtained by processing multiple signals transmitted by a constellation of orbiting satellites (16), an acquisition-aiding signal generated by an earth-based control stati ...


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Jerome S Schultz: Optical sensor of plasma constituents. The United States of America represented by the Department of Health Education and Welfare, Browdy and Neimark, August 17, 1982: US04344438 (534 worldwide citation)

A system for monitoring low molecular weight compounds in blood plasma in the body by optical means includes a chamber which can be inserted into the blood stream and which contains specific receptor sites for the plasma constituent to be analyzed. The chamber interior is isolated from the blood by ...


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John W Boretos, Norio Iriguchi: Unitized three leaflet heart valve. The United States of America represented by the Secretary of the Department of Health Education & Welfare, Browdy and Neimark, September 16, 1980: US04222126 (505 worldwide citation)

A polyurethane heart valve has a semirigid frame composed of a base ring and three struts, and an elastomeric membrane integral and unitary with the frame, the contours of which make up three leaflets of the valve. The leading edges of the leaflets which form the commissure line are reinforced with ...


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W French Anderson, R Michael Blaese, Steven A Rosenberg: Gene therapy. The United States of America represented by the Department of Health and Human Services, Elliot M Olstein, Raymond J Lillie, March 21, 1995: US05399346 (479 worldwide citation)

Primary human cells which are genetically engineered with DNA (RNA) encoding a marker or therapeutic which is expressed to be expressed in vivo. Such engineered cells may be used in gene therapy.


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James D Doss: Multipolar corneal-shaping electrode with flexible removable skirt. The United States of America represented by the United States Department of Energy, Robert W Weig, Paul D Gaetjens, Richard G Besha, April 26, 1983: US04381007 (459 worldwide citation)

The disclosure relates to a multipolar probe using radiofrequency energy to reshape the cornea of an eye. The surface of the cornea is flushed continuously with a conductive coolant during operation.


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Howard A Baldwin, Steven W Depp, Alfred R Koelle, Robert W Freyman: Interrogation, and detection system. The United States of America represented by the United States Department of Energy, Dean E Carlson, Jerome B Rockwood, February 21, 1978: US04075632 (458 worldwide citation)

The specification relates to a telemetering apparatus comprising a generator which generates at least a single frequency rf signal, a transponder for receiving that signal and for amplitude modulating it in accordance with information selected for transmission, an antenna on the transponder for refl ...