Daniel A Jones, James P Suttle: Methods of progressive jackpot gaming. Caribbean Stud Enterprises, Quirk Tratos & Roethel, August 29, 1989: US04861041 (572 worldwide citation)

A method and apparatus for including a progressive jackpot component in a live casino table game. In addition to playing a live casino table game, each player makes an additional wager at the beginning of each hand that makes that player eligible to win all of part of a jackpot. If during the play o ...

Richard P Pashby, Douglas W Phelps Jr, Sigvart J Samuelsen, William C Ward: Package semiconductor chip. International Business Machines Corporation, Francis J Thornton, Theodore E Galanthay, Michael J Weins, August 29, 1989: US04862245 (452 worldwide citation)

The present invention is directed to a packaged semiconductor chip which effectively dissipates heat and has improved performance. The packaged chip has a plurality of lead frame conductors extending through the encapsulating material which are adhesively joined to the semiconductor chip, preferably ...

John G Campbell, Carl F Schoeneberger, Allan B Bundens, Richard M Fogle, John R Lemburg: Addressable cable television control system with video format data transmission. General Instrument Corporation, Hopgood Calimafde Kalil Blaustein & Judlowe, August 29, 1989: US04862268 (337 worldwide citation)

An addressable cable television control-system controls television program and data signal transmission from a central station to a plurality of user stations. The data signals include both control and text signals in video line format which are inserted on the vertical interval of the television si ...

Norman J Johnson, Raj K Anand: Thermoelectrically controlled heat medical catheter. Raj K Anand, Lorusso & Loud, August 29, 1989: US04860744 (330 worldwide citation)

A system and method are disclosed for providing precisely controlled heating (and cooling in come case) of a small region of body tissue to effectuate the removal of tumors and deposits. such as atheromatous plaque, without causing damage to healthy surrounding tissue, e.g. arterial walls. Such prec ...

Thomas H Zimmerman, Julian J Pop, Joseph L Perkins: Down hole tool for determination of formation properties. Schlumberger Technology Corporation, Henry N Garrana, John H Bouchard, August 29, 1989: US04860581 (277 worldwide citation)

The apparatus of the present invention relates to a down hole tool capable of extraction of valid samples and making pressure measurements useful in calculating formation permeability. The tool incorporates the features of a staddle packing to allow formation fluid specimens to be taken at large flo ...

Ronald K Krieg, John A Drumheller: Closed cryogenic barrier for containment of hazardous material migration in the earth. Concept R, Lahive & Cockfield, August 29, 1989: US04860544 (273 worldwide citation)

A method and system is disclosed for reversibly establishing a closed, flow-impervious cryogenic barrier about a predetermined volume extending downward from a containment site on the surface of the Earth. An array of barrier boreholes extend downward from spaced apart locations on the periphery of ...

Benjamin Oshlack: Controlled release bases for pharmaceuticals. Euroceltique, Steinberg & Raskin, August 29, 1989: US04861598 (246 worldwide citation)

The release of therapeutically active agents from controlled release bases is extended by using a combination of a higher aliphatic alcohol and an acrylic resin as the base material.

Jack A Ekchian, Robert W Hoffman, Leon Ekchian, Kaigham J Gabriel: Item identification tag for rapid inventory data acquisition system. Revlon, Fish & Richardson, August 29, 1989: US04862160 (227 worldwide citation)

A computerized transceiver repeatedly sweeps through a set of transmit/receive frequencies to interrogate collectively a plurality of groups of items in a stocking area. Items in each group are tagged with a printed circuit transponder tuned to frequencies uniquely assigned to each group. Data retur ...

Samuel Gart: Ergonomically-shaped hand controller. Leonard Tachner, August 29, 1989: US04862165 (220 worldwide citation)

An ergonomically-shaped hand controller of the type commonly referred to as a "mouse", is specially configured to prevent or reduce hand muscle fatigue despite continuous use over a protracted period of time. A housing for receiving the anterior surface of the hand comprises an arched metacarpalphal ...

Masachika Masuda, Akira Suzuki: Semiconductor device lead frame with etched through holes. Hitachi, Antonelli Terry & Wands, August 29, 1989: US04862246 (207 worldwide citation)

Those portions (i.e., the inner lead portions) of the leads of a semiconductor device, which are sealed by a package, are formed with a plurality of depression in at least the surfaces and backs thereof such that the depressions have a smaller diameter at their bottoms than at their surfaces. As a r ...