1
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 ...


2
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 ...


3
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 ...


4
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 ...


5
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 ...


6
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 ...


7
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.


8
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 ...


9
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 ...


10
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 ...