1
Bob Ware
Garry W Kirker, Robert A Ware: Process for producing a high quality lube base stock in increased yield. Mobil Oil Corporation, Charles J Speciale, Malcolm D Keen, McKillop Alexander J, December 15, 1992: US05171422 (9 worldwide citation)

A process is provided for producing a high quality lubricating oil base stock in increased yield. The process includes a hydrocracking step employing a catalyst composition comprising a zeolite of the faujasite type, e.g., zeolite USY, possessisng a silica:alumina ratio of at least about 50:1, and a ...


2
Sanjay Mehrotra, Eliyahou Harari, Winston Lee: Multi-state EEprom read and write circuits and techniques. Sundisk Corporation, Majestic Parsons Siebert & Hsue, December 15, 1992: US05172338 (1001 worldwide citation)

Improvements in the circuits and techniques for read, write and erase of EEprom memory enable non-volatile multi-state memory to operate with enhanced performance over an extended period of time. In the improved circuits for normal read, and read between write or erase for verification, the reading ...


3
Graham C Bradley, Alton O Stretton, Terry L Leier: Secure hierarchial video delivery system and method. SaskTel, Davis Bujold & Streck, December 15, 1992: US05172413 (689 worldwide citation)

Disclosed is an improved system for the delivery of entertainment and educational programming from a plurality of electronic libraries to a plurality of users. Users actuate a hand operated control device to: review a listing of available programming; enable the delivery of a program from a library; ...


4
Madhavan Pisharodi: Middle expandable intervertebral disk implants. Vaden Eickenroht Thompson Boulware & Feather, December 15, 1992: US05171278 (495 worldwide citation)

Artificial disk implant and methods for implanting it, the implant having a member for adapting in size and shape to an anatomical space between vertebrae and apparatus for expanding the member to conform to the space.


5
J David Hughett, Michael A Murray: Endoscopic multiple ligating clip applier with rotating shaft. Ethicon, Paul A Coletti, December 15, 1992: US05171247 (481 worldwide citation)

An endoscopic clip applying system as described which contains a venting system and a clip applying support system which prevents closure of the mechanism before firing. The applier's jaws are spaced apart no further than the width of the applier shaft, even when holding a clip. Also, the system ens ...


6
David Stefanchik, Jerome E Reckelhoff, Rudolph H Nobis, Michael A Murray, John E Burbank: Endoscopic multiple ligating clip applier. Ethicon, Paul A Coletti, December 15, 1992: US05171249 (452 worldwide citation)

An endoscopic clip applying system as described which contains a venting system and a clip applying support system which prevents closure of the mechanism before firing. Also, the system ensures proper loading of the clips and prevents them from falling out during loading. Further, the system descri ...


7
Kanji Inoue: Device for nonoperatively occluding a defect. Wegner Cantor Mueller & Player, December 15, 1992: US05171259 (428 worldwide citation)

The device of the invention is provided with a pair of patches each comprising a resilient, foldable annular frame and a piece of cloth stretched over and fixed to the frame. The patches are so arranged as to face each other across a gap and sewed together concentrically with a thread slightly inwar ...


8
Hallett H Mathews: Method for subcutaneous suprafascial pedicular internal fixation. Danek Medical, Woodard Emhardt Naughton Moriarty & McNett, December 15, 1992: US05171279 (416 worldwide citation)

A method for internal fixation of vertebra of the spine to facilitate graft fusion includes steps for excising the nucleus of an affected disc, preparing a bone graft, instrumenting the vertebrae for fixation, and introducing the bone graft into the resected nuclear space. Disc resection is conducte ...


9
Kurt Amplatz, Frank Kotula, Rudy A Mazzocchi: Snare-type probe. Microvena Corporation, Fredrikson & Byron, December 15, 1992: US05171233 (415 worldwide citation)

The present invention provides a snare for intravascular use having an elongate proximal member and a loop-shaped distal segment oriented at an angle to the adjacent portion of the proximal member. The snare may be formed of a superelastic shape memory alloy, which permits the distal segment to be c ...


10
Walter Baumgartner: Intervertebral prosthesis. Sulzer Brothers, Kenyon & Kenyon, December 15, 1992: US05171280 (399 worldwide citation)

The prosthesis has a valve at one end formed of a fixed base and a coiler body which is able to rotate on the base. A flexible elastic body defining a hollow chamber extends from the coiler body and is able to receive filling medium via the valve. A compact strand extends from the free end of the el ...



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