61
Tadahiko Ogasawara: Medical laser device. Olympus Optical, Frishauf Holtz Goodman & Woodward, June 23, 1987: US04674497 (70 worldwide citation)

A medical laser device includes a device body and a laser probe connected to the body. In the device body are arranged a laser source for emitting laser beams and an air pump. The laser probe has an outer tube, a laser guide extending through the tube, and an air supply passage defined between the i ...


62
Kimihiko Nishioka, Susumu Takahashi, Akira Yokota, Minoru Okabe: Objective lens system for an endscope. Olympus Optical, Cushman Darby & Cushman, June 23, 1987: US04674844 (69 worldwide citation)

An objective lens system for an endoscope comprises a first lens component having a negative refracting power, a second lens component having a positive refracting power, a third lens component having a positive refracting power and a fourth lens component involving a meniscus lens having its concav ...


63
Faramaz Davarian: Antimultipath communication by injecting tone into null in signal spectrum. The United States of America represented by the Administrator of the National Aeronautics and Space Administration, Paul F McCaul, John R Manning, Thomas H Jones, June 23, 1987: US04675880 (69 worldwide citation)

A transmitter for digital radio communication creates a null by balanced encoding of data modulated on an RF carrier, and inserts a calibration tone within the null. By having the calibration tone coincide in phase and frequency with the transmitted radio frequency output for coherent demodulation o ...


64
Malcolm Wayman, Geoffrey I Mood: Replacing mains. British Gas Corporation, Larson and Taylor, June 23, 1987: US04674914 (69 worldwide citation)

The invention relates to a self-propelled apparatus 1 for replacing main such as a gas main 2, comprising a single double acting hydraulic piston and cylinder combination 3 connected with slidable devices 4, 6 operable by the device for step-by-step movement of the apparatus through the main on alte ...


65
Thomas R Witty, Robert E Curry, Roger E Smith: Self-contained reagent package device and an assay using same. Becton Dickinson and Company, Richard J Rodrick, June 23, 1987: US04675299 (69 worldwide citation)

A self-contained reagent package device for an assay comprises a support member and a plurality of wells in the support member. All of the wells are capable of retaining liquids therein. At least one of the wells has an aperture at its bottom end for the passage of liquids therethrough. The one well ...


66
Hans Peter Baumeister, Roger J Greenwald, Carl N Schauffele: Video disk apparatus providing organized picture playback. Eastman Kodak Company, David M Woods, June 23, 1987: US04675755 (69 worldwide citation)

A video disk player is provided for playing back a series of still pictures prerecorded on a plurality of video disks. The disks are contained in a magazine that is inserted into the player. The magazine includes an erasable, non-volatile memory for containing data related to the pictures. The playe ...


67
Arthur W Boddie Jr, James W Frazer, William S Yamanashi: RF electromagnetic field generation apparatus for regionally-focused hyperthermia. Board of Regents The University of Texas System, Arnold White & Durkee, June 23, 1987: US04674481 (69 worldwide citation)

A hyperthermia treatment device comprises paired multiple feed inductor rings positioned between two capacitor plates, for producing a tuned radiofrequency electromagnetic field. The spatial orientation of the elements and/or the phase of the current flowing through them is variable. Change in the s ...


68
C James Blom: Elimination of internal reflections and diffractions from junctures in, and at the periphery of, a segmented mirror. Roxor Corporation, William W Haefliger, June 23, 1987: US04674850 (67 worldwide citation)

In a transparent molded segmented mirror having individual sectors on a transparent molding and comprising a myriad of reflecting surfaces at the rear side of the mirror away from the viewer, said surfaces located to produce, in the eyes of the viewer, a virtual image, or separate virtual images fro ...


69
Jerome H Lemelson: Drug compositions and methods of applying same. June 23, 1987: US04674480 (67 worldwide citation)

A composition and method for targeting and applying drugs or medication to a select location or locations within a living being. Drug units are produced, each of which is formed of at least one antibody, such as a monoclonal antibody, a small quantity of a medication such as a chemical or organic ma ...


70
Richard F Carlson: Gaseous injector for mixing apparatus. Komax Systems, Malcolm B Wittenberg, June 23, 1987: US04674888 (66 worldwide citation)

A gas injector element for use in a mixing apparatus having a plurality of mixing elements, where the injector element is airfoil-shaped and is installed adjacent to the first of the plurality of mixing elements. The airfoil-shaped injector is fabricated from a metal or other suitable material havin ...



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