Andrew C Payne, Lawrence C Stewart, David J Mackie: Network sales system. Open Market, Fish & Richardson P C, February 3, 1998: US05715314 (1298 worldwide citation)

A network-based sales system includes at least one buyer computer for operation by a user desiring to buy a product, at least one merchant computer, and at least one payment computer. The buyer computer, the merchant computer, and the payment computer are interconnected by a computer network. The bu ...

Mark J Stefik: System for controlling the distribution and use of digital works having attached usage rights where the usage rights are defined by a usage rights grammar. Xerox Corporation, Richard B Domingo, February 3, 1998: US05715403 (1210 worldwide citation)

A system for controlling use and distribution of digital works. The present invention allows the owner of a digital work to attach usage rights to their work. The usage rights define how the individual digital work may be used and distributed. Instances of usage rights are defined using a flexible a ...

Jesse Lee Ambrose, Thomas Michael Rothwein: Method of selecting and presenting data from a database using a query language to a user of a computer system. Siebel Systems, Cooley Godward, February 3, 1998: US05715450 (1026 worldwide citation)

A thread management system for implementation within a computer system having a database disposed to be accessed through queries provided by a system user is disclosed herein. In this environment the thread management system provides a mechanism for subsequent replication of a sequence of one or mor ...

Hiroshi Fukuda, Rudolf Murai von Bunau: Projection exposure apparatus and method which uses multiple diffraction gratings in order to produce a solid state device with fine patterns. Hitachi, Kenyon & Kenyon, February 3, 1998: US05715039 (762 worldwide citation)

In exposing and projecting a mask onto a substrate using projection optics, a first grating is provided between the substrate and the projection optics and a second grating is provided between the projection optics and the mask so that the image of the mask pattern is formed near the substrate surfa ...

Thomas Huitema: Articulation transmission mechanism for surgical instruments. Ethicon Endo Surgery, Matthew S Goodwin, February 3, 1998: US05713505 (679 worldwide citation)

An articulating surgical instrument which has an articulation transmission assembly for remotely articulating an end effector of the instrument is disclosed. The articulation transmission assembly includes a detent housing mounted on the instrument with a plurality of detent teeth. A compressible de ...

Paul C Nardella: Impedance feedback electrosurgical system. Medical Scientific, Nutter McClennen & Fish, February 3, 1998: US05713896 (645 worldwide citation)

An impedance feedback electrosurgical system is useful with electrosurgical tools to maintain a substantially constant level of current within the tissue in contact with the tool. The system comprises active and return electrodes associated with an electrosurgical tool, an impedance monitoring devic ...

Jeffrey P Bezos: Secure method and system for communicating a list of credit card numbers over a non-secure network. Amazon Com, Ronald M Anderson, February 3, 1998: US05715399 (625 worldwide citation)

A method and system for securely indicating to a customer one or more credit card numbers that a merchant has on file for the customer when communicating with the customer over a non-secure network. The merchant sends a message to the customer that contains only a portion of each of the credit card ...

Carl A Popolo: Method and system for matching sellers and buyers of spot metals. Spot Metals Online, Brooks & Kushman P C, February 3, 1998: US05715402 (548 worldwide citation)

A system for managing steel inventories in order to reduce the time and expense associated with selling prime and secondary steel that is no longer needed for the original intended application. The system permits sellers to post detailed specification of an item for sale and permits buyers to browse ...

Franco Vallana, Maria Curcio, Carla Stacchino, Stefano Rinaldi: Cardiac valve prosthesis particularly for replacement of the aortic valve. Sorin Biomedica Cardio S P A, Robert D Rogers & Wells Schaffer, February 3, 1998: US05713953 (395 worldwide citation)

A stentless prosthesis is made completely from material, for example bovine pericardium, other than valve material. A projection of the valve sleeve allows reparatory operations on surrounding tissues.

Shlomo Ben Haim: Apparatus and method for intrabody mapping. Biosense, William H Dippert, Cowan Liebowitz & Latman P C, February 3, 1998: US05713946 (376 worldwide citation)

This invention concerns an apparatus and method for the treatment of cardiac arrhythmias. More particularly, this invention is directed to a method for ablating a portion of an organ or bodily structure of a patient, which comprises obtaining a perspective image of the organ or structure to be mappe ...