1
Kary B Mullis: Process for amplifying nucleic acid sequences. Cetus Corporation, Janet E Hasak, Albert P Halluin, July 28, 1987: US04683202 (4203 worldwide citation)

The present invention is directed to a process for amplifying any desired specific 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, and extending ...


2
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, Janet E Hasak, Albert P Halluin, July 28, 1987: US04683195 (3575 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 ...


3
Thomas O Bales, Kevin W Smith: Electrosurgical catheter and method for vascular applications. Cordis Corporation, Henry W Collins, Thomas R Vigil, July 28, 1987: US04682596 (576 worldwide citation)

The method for resolving atherosclerotic plaque buildup and/or eroding unwanted tissue in a blood vessel includes the steps of: inserting an electrode in and along the lumen of a blood vessel; manually manipulating said electrode through the blood vessel; positioning said electrode proximate to athe ...


4
Otto Prohaska: Probe for medical application. Ottosensor Corporation, John C Purdue, July 28, 1987: US04682602 (297 worldwide citation)

A medical probe having at least one transducer or electrode for registering or influencing tissue activities is disclosed. The probe comprises a substrate having a supporting surface and a cover layer which, together, form a chamber bounded on one side by the supporting surface and on an opposed sid ...


5
Randall K Saiki, Henry A Erlich: Method for detection of polymorphic restriction sites and nucleic acid sequences. Cetus Corporation, Janet E Hasak, Albert P Halluin, July 28, 1987: US04683194 (292 worldwide citation)

In a method for detecting the presence or absence of a specific restriction site in a nucleic acid sequence an oligonucleotide probe complementary to one strand of the nucleic acid sequence spanning said restriction site is synthesized. The probe is labeled at the end nearer the restriction site. Th ...


6
Wann Sheng Huang, Margaret A Hight: Producing hydrocarbons through successively perforated intervals of a horizontal well between two vertical wells. Texaco, Jack H Park, Kenneth R Priem, Harold J Delhommer, July 28, 1987: US04682652 (253 worldwide citation)

The invention uses two vertical wells and a horizotal well located within the underground formation extending between the two vertical wells. A thermal fluid is injected into the formation through the first vertical well. Hydrocarbons and other fluids are produced from the horizontal well through a ...


7
James D Bucher II: Switching power supply with automatic power factor correction. Zytec Corporation, Merchant Gould Smith Edell Welter & Schmidt, July 28, 1987: US04683529 (240 worldwide citation)

An off-line switching power supply is described which controls the switching transistor of a fly-back circuit in such a fashion as to achieve better than 0.99 power factor control. The technique used for power factor control allows the switching power supply to operate either from AC or DC sources. ...


8
Jean Mollier: Method and device for protecting software delivered to a user by a supplier. Cii Honeywell Bull, Kerkam Stowell Kondracki & Clarke, July 28, 1987: US04683553 (214 worldwide citation)

The invention relates to a method and a device for protecting software delivered to a user by a supplier. The method amounts to rendering the programs non-executable in the state in which they have been delivered to the users. With each program (P.sub.i) there is associated a validation key defined ...


9
Vincent H DeCaprio: Localizing biopsy apparatus. Lilling & Greenspan, July 28, 1987: US04682606 (175 worldwide citation)

A method and apparatus for localizing and excising masses which are not palpable in human tissue. A surgical needle is inserted into a located mass and encircled by a cork screw device which is twisted around the mass until the tip of the worm is just beyond the furthest side of the mass from the op ...


10
Michael D Silverman: Submersible personal stereo. Lewis Anten, July 28, 1987: US04683587 (175 worldwide citation)

Submersible personal stereo using a source, such as a radio, of stereo signals, a pair of sealed chambers housing a pair of electro-acoustic transducer and acoustic transmissive tubing for transmitting sound from the chambers to ear plugs, the tubing being non-wet by water and of a small inner diame ...