Salvatore J Pace: Silicon semiconductor wafer for analyzing micronic biological samples. E I Du Pont De Nemours & Co, March 13, 1990: US04908112 (660 worldwide citation)

An analytical separation device in which a capillary sized conduit is formed by a channel in a semiconductor device and the channel is closed by a glass plate. Electrodes are positioned in the channel and to activate the motion of liquids through the conduit by electroosmosis.

Michael R Levine: VCR Programmer. Krass & Young, March 13, 1990: US04908713 (585 worldwide citation)

A system for programming the automatic operation of a video recorder over an extended time period uses an associated television receiver as a display device for alphanumeric messages to the operator to provide a self-explanatory, interactive programming routine. The video recorder system includes a ...

Eric R Cosman: Automatic over-temperature control apparatus for a therapeutic heating device. Richard J Birch, March 13, 1990: US04907589 (585 worldwide citation)

The use of radio frequency currents to heat and destroy neurological tissues is well known in the field of neurosurgery and typically involves monitoring of the tissue temperature as it is being heated by an in-dwelling electrode. This patent deals with an apparatus and method which enables the oper ...

John R Kinghorn: Video cassette recorder programming via teletext transmissions. U S Philips, Thomas A Briody, March 13, 1990: US04908707 (470 worldwide citation)

A system for video recorder programming using existing television broadcast teletext transmissions. The programs required are chosen from schedules displayed on teletext pages, the necessary control information is loaded automatically into a video recorder, and program labels are transmitted to ensu ...

David C Hon: Expert system simulator for modeling realistic internal environments and performance. Gerald G Crutsinger, John F Booth, James O Dixon, March 13, 1990: US04907973 (457 worldwide citation)

A medical investigative system in which a person interacts with the system to interject information that is utilized by the system to establish non-restricted environmental modeling of the realities of surrogate conditions to be encountered with invasive or semi-invasive procedures. This is accompli ...

Cesare Gianturco: Method of making an endovascular stent and delivery system. Cook Incorporated, Woodard Emhardt Naughton Moriarty & McNett, March 13, 1990: US04907336 (347 worldwide citation)

In a method of the present invention, a wire stent, having a cylindrical shape defined by a series of alternating longitudinally overlapping opposing loops, is fabricated from a wire formed into a planar serpentine configuration. The wire is centered over a semi-cylindrical trough in a flat plate an ...

Roland Tai: System for identifying heavy product purchasers who regularly use manufacturers purchase incentives and predicting consumer promotional behavior response patterns. Innovare Resourceful Marketing Group, Collard Roe & Galgano, March 13, 1990: US04908761 (308 worldwide citation)

There is provided a system and methodology for identifying the heaviest product purchasers who regularly use coupons and determining their promotional behavior response patterns of which involves initially preparing a list of names and addresses of consumers who are the most likely heaviest product ...

Alfred V Vasconcellos, Ionel E Teodorescu, Joel W Cummings, Dean E McBeth: Surgical instrument for establishing compression anastomosis. Pfizer Hospital Products Group, Peter C Richardson, Lawrence C Akers, John L LaPierre, March 13, 1990: US04907591 (305 worldwide citation)

A surgical instrument for installing a plurality of interlocking coupling members forming a compression anastomosis assembly, particularly suitable for use in achieving anastomosis of a resected tubular organ, with the instrument having a cutting portion designed and configured for rotational moveme ...

Josef F Bille, Stuart I Brown: Method for reshaping the eye. Intelligent Surgical Lasers, Nydegger & Harshman, March 13, 1990: US04907586 (266 worldwide citation)

A method for modifying tissue with a quasi-continuous laser beam to change the optical properties of the eye comprises controllably setting the volumetric power density of the beam and selecting a desired wavelength for the beam. Tissue modification is accomplished by focusing the beam at a preselec ...

Alex C Philibert, Jack W Smith, James W Fox: Document reproduction security system. Cushman Darby & Cushman, March 13, 1990: US04908873 (261 worldwide citation)

A system for selectively effecting operation of a copying or facsimile machine in accordance with the textual content of a scanned document. The system includes an optical character reader which generates scanned character code signals representative of characters comprising at least a portion of th ...