1
Kary B Mullis, Henry A Erlich, Norman Arnheim, Glenn T Horn, Randall K Saiki, Stephen J Scharf: Process for amplifying, detecting, and/or cloning nucleic acid sequences. Cetus Corporation, Kevin R Kaster, Janet E Hasak, Albert P Halluin, January 24, 1989: US04800159 (1164 worldwide citation)

The present invention is directed to a process for amplifying and detecting any target nucleic acid sequence contained in a nucleic acid or mixture thereof. The process comprises treating separate complementary strands of the nucleic acid with a molar excess of two oligonucleotide primers, extending ...


2
J Richard Spears: Method and apparatus for angioplasty. The Beth Israel Hospital Association, Lorusso & Loud, January 24, 1989: US04799479 (386 worldwide citation)

The region surrounding the balloon utilized in percutaneous transluminal coronary angioplasty is heated by means within the balloon or within the skin of the balloon upon inflation of the balloon such that disrupted tissues of the plaque in the arterial wall are heated in order to fuse together frag ...


3
Ulrich Bloecher, Ernest J Duwell: Erodable agglomerates and abrasive products containing the same. Minnesota Mining and Manufacturing Company, Donald M Sell, David L Weinstein, January 24, 1989: US04799939 (300 worldwide citation)

Erodable agglomerates containing individual abrasive grains disposed in an erodable matrix comprising hollow bodies and a binder. The agglomerates are useful for coated abrasives and bonded abrasives. Abrasive products containing the agglomerates provide higher stock removal than abrasive products b ...


4
Robert E Smith: Method and apparatus for processing signals used in oximetry. Physio Control Corporation, Christensen O Connor Johnson & Kindness, January 24, 1989: US04800495 (263 worldwide citation)

The present invention relates to the processing of signals containing information about the pulse rate and oxygen saturation of arterial blood flowing in tissue. These signals have a relatively periodic pulsatile component superimposed upon a varying baseline component. To determine the pulse rate a ...


5
Edward A Gahan: Automatic rearview mirror with filtered light sensors. Donnelly Corporation, Price Heneveld Cooper DeWitt & Litton, January 24, 1989: US04799768 (248 worldwide citation)

The specification discloses an automatic rearview mirror which more accurately responds to the glare-reduction needs of the vehicle operator. The mirror includes a reflective element, a light sensor, and a control circuit for regulating the reflective state of the mirror in response to the light sen ...


6
Irwin F Hawkins, George A Rafferty Jr, Mark C Hawkins, Jeffrey S Hawkins: Localization needle assembly. National Standard Company, Emrich & Dithmar, January 24, 1989: US04799495 (211 worldwide citation)

A localization needle assembly includes an outer tubular cannula and an inner needle slidably mounted for movement within the outer cannula between extended and retracted portions, the needle having a pointed tip which projects from the front end of the assembly when the needle is extended while the ...


7
Louis D Silverstein, Robert W Monty: Four color repetitive sequence matrix array for flat panel displays. Honeywell, Seymour Levine, Albin Medved, Roger W Jensen, January 24, 1989: US04800375 (201 worldwide citation)

A four color repetitive sequence matrix array for flat panel displays is formed by establishing a repetitive sequence with pixels of four different colors arranged in the rows of the matrix. The sequence commences with a different color in each row, thereby establishing a second repetitive sequence ...


8
James C Vaughan: Computer key and computer lock system. Willis E Higgins, Flehr Hohbach Test Albritton & Herbert, January 24, 1989: US04800590 (196 worldwide citation)

A computer access system includes a password generator (10) and an lock computer (50) connected to receive passwords generated by the password generator and grant access to a host computer (52) when a password from the password generator (10) matches a password separately generated by the lock compu ...


9
John G Bolger, Lung S B Ng: Inductive power coupling with constant voltage output. Inductran, Owen Wickersham and Erickson, January 24, 1989: US04800328 (191 worldwide citation)

A constant voltage inductive power coupling for magnetically transferring electrical power from a power source through an air gap to a load comprising a first electromagnetic inductor connected to a power source to generate a shaped alternating magnetic field, a said inductor with a saturable core s ...


10
Yasuo Iijima: Portable electronic device with garbage collection function. Kabushiki Kaisha Toshiba, Cushman Darby & Cushman, January 24, 1989: US04800520 (177 worldwide citation)

A portable electronic device of this invention has a control CPU (Central Processing Unit) and a data memory. The data memory is divided into a plurality of areas, and each area consists of a data area and an attribute area indicating an attribute of the data area. The attribute area consists of a f ...