11
Andreas Weikl, Volkmar Merkel: Method and apparatus for removing and/or enlarging constricted areas in vessels conducting body fluids. Schneider Medintag, Craig and Burns, March 4, 1986: US04573966 (280 worldwide citation)

An apparatus and method for comminuting and/or eliminating constricted areas in vessels of all types whereby fissures and cracks in the vessel walls during the treatment of stenosis in blood vessels and also coronary obstruction are to be avoided. A treatment catheter is used which is equipped with ...


12
Costandi A Audeh, Robert D Offenhauer: In-situ gasification of tar sands utilizing a combustible gas. Mobil Oil Corporation, Alexander J McKillop, Michael G Gilman, Charles A Malone, March 4, 1986: US04573530 (229 worldwide citation)

A subterranean, viscous oil-containing formation, e.g. tar sands, which has previously been exploited by an in-situ combustion operation to recover the maximum amount of oil therefrom and leaving a solid coke like residue in the formation, is first saturated with a combustible gas such as methane, e ...


13
Kazuo Okada: Slot machine with random number generation. Kabushiki Kaisha Universal, Young & Thompson, March 4, 1986: US04573681 (212 worldwide citation)

A slot machine is provided which has a winning probability table for storing a relation between a group and random numbers, the group being one of a plurality of groups made up by classifying prize-winning symbol combinations. The range of random numbers is properly fixed so that the winning probabi ...


14
Kermit E Lewis, Arthur S Roberts Jr: Automatic pill dispenser and method of administering medical pills. Kermit E Lewis, Woodard Weikart Emhardt & Naughton, March 4, 1986: US04573606 (210 worldwide citation)

An automatic pill dispenser for dispensing medical pills having different prescribed administration schedules includes a plurality of pill storage compartments each capable of holding more than one pill, an automatic release mechanism for dispensing pills at predetermined time intervals correspondin ...


15
Ronald D Russo: Device for draining wounds. Superior Plastic Products, Salter & Michaelson, March 4, 1986: US04573965 (178 worldwide citation)

A device for draining wounds comprises an elongated catheter member having first and second lumens, an antibacteria filter received in communication with the second lumen adjacent the proximal end thereof and a check valve which is interposed between the proximal end of said second lumen and the fil ...


16
Frederick M Bournay Jr, Joel F Giurtino: LED Staggered back lighting panel for LCD module. Cordis Corporation, Henry W Collins, Thomas R Vigil, March 4, 1986: US04573766 (171 worldwide citation)

The LED backlighting panel includes a roughened flat surface area and side edges with holes therein for receiving light emitting diodes that are supplied from a direct current power source which can have an adjustable duty cycle to provide a backlighting panel that has a minimal power consumption in ...


17
John G Campbell, Carl F Schoeneberger: Remote hub television and security systems. Tocum Incorporated, Hopgood Calimafde Kalil Blaustein & Judlowe, March 4, 1986: US04574305 (171 worldwide citation)

A data communications system provides for the transmission of television signals from a central station to a plurality of remote user stations and the transmission of security data from the user stations back to the central station. The downstream television signals and upstream security data are pr ...


18
Yu Ling Chen, Leslie L Chun, David J Enscore: Transdermal therapeutic systems for the administration of naloxone, naltrexone and nalbuphine. ALZA Corporation, Steven F Stone, Paul L Sabatine, Edward L Mandell, March 4, 1986: US04573995 (159 worldwide citation)

A method for transdermal delivery of naloxone, naltrexone and nalbuphine base through intact skin is described. Preferred embodiments of transdermal therapeutic systems for delivering these drugs and polyethylene glycol monolaurate employ an ethylene vinylacetate matrix containing drug base at a con ...


19
Wilfred J Samson, Jeffrey S Frisbie: Low-profile steerable intraoperative balloon dilitation catheter. Advanced Cardiovascular Systems, Flehr Hohbach Test Albritton and Herbert, March 4, 1986: US04573470 (154 worldwide citation)

Low-profile steerable intraoperative balloon dilatation catheter with a flexible core wire having proximal and distal extremities. A flexible tube extends over the core wire and has proximal and distal extremities with the distal extremity being bonded to the distal extremity of the core wire to for ...


20
Daniel C Starr: Shared resource locking apparatus. AT&T Bell Laboratories, David Volejnicek, March 4, 1986: US04574350 (145 worldwide citation)

Disclosed is a hardware lock unit for limiting concurrent use of shared resources, such as segments of a memory, by a plurality of devices, such as processors, in a program controlled system. In such a system, devices wishing to use a shared resource make a use request to the lock unit by means of a ...