David K Swanson, Robert Burnside, James G Whayne, Dorin Panescu: Systems and methods for controlling power in an electrosurgical probe. Scimed Life Systems, Henricks Slavin & Holmes, December 3, 2002: US06488679 (301 worldwide citation)

Systems and methods for controlling the power supplied to an electrosurgical probe. The systems and methods may be used to monitor electrode-tissue contact, adjust power in response to a loss of contact, and apply power in such a manner that charring, coagulum formation and tissue popping are less l ...

Graham W Bryan, Paul A Matula: Biopsy apparatus. United States Surgical Corporation, December 3, 2002: US06488636 (282 worldwide citation)

An apparatus and method for the biopsy of tissue specimens and, more particularly, a single insertion multiple sample percutaneous biopsy apparatus and method are provided. A tip at a distal end of a vacuum support tube is introduced into a tissue mass. The vacuum support tube is retracted exposing ...

Lance E Brothers, Susan M Turkett, Barry B Ekstrand, D Chad Brenneis, Jerry D Childs: Light weight high temperature well cement compositions and methods. Halliburton Energy Services, Craig W Roddy, C Clark Dougherty Jr, Jean L Pinkston, December 3, 2002: US06488763 (271 worldwide citation)

The present invention provides methods of cementing subterranean zones using cement compositions comprising calcium aluminate, fly ash, sodium polyphosphate and water.

Michael D Laufer, David P Thompson, Bryan E Loomas: Method of increasing gas exchange of a lung. Broncus Technologies, Morrison & Foerster, December 3, 2002: US06488673 (260 worldwide citation)

Methods of increasing gas exchange performed by the lung by damaging lung cells, damaging tissue, causing trauma, and/or destroying airway smooth muscle tone with an apparatus inserted into an airway of the lung. The damaging of lung cells, damaging tissue, causing trauma, and destroying airway smoo ...

Petrus Antonius Besselink: Bistable spring construction for a stent and other medical apparatus. JOMED, Nicola A Pisano, Fish & Neave, December 3, 2002: US06488702 (250 worldwide citation)

The present invention is directed to bistable cells and their use in devices, particularly medical devices such as stents, clamps and valves. An expandable stent formed of a plurality of bistable cells is described. The stent has two or more stable configurations, including a first stable configurat ...

Edward M Scheidt, Ersin L Domangue: Access control and authorization system. TecSec Incorporated, IP Strategies P C, December 3, 2002: US06490680 (244 worldwide citation)

A process of encrypting an object includes applying a hash algorithm to the object, generating a random number, combining a first plurality of splits including the random number to form a working split, encrypting the object using the working split, combining a second plurality of splits not includi ...

Teresa Seeley, Faith Lin, Tina Kapur, Gene Gregerson: Fluoroscopic tracking and visualization system. GE Medical Systems Global Technology Company, Peter J Vogel, Michael A Dellapenna, McAndrews Held & Malloy, December 3, 2002: US06490475 (237 worldwide citation)

A system employs a tracker and a set of substantially non-shadowing point markers, arranged in a fixed pattern or set in a fluoroscope calibration fixture that is imaged in each shot. The fixture is preferably affixed to the image detector of the fluoroscope, and tracking elements secured with respe ...

Jason T Griffin, John A Holmes, Mihal Lazaridis, Herb A Little, Harry R Major, Craig Dunk, Michael Brown, Jérôme Lang: Hand-held electronic device with auxiliary input device. Research In Motion, Krishna K Pathiyal Esq, Charles B Meyer Esq, Jones Day Reavis & Pogue, December 3, 2002: US06489950 (232 worldwide citation)

A hand-held electronic device with a keyboard, thumbwheel, display and associated software is optimized for use of the device with the thumbs. The associated software has a plurality of features to optimize efficient use of the limited keyboard space and encourage the use of the device by thumb-base ...

Bill Wells, James T McGlone: Gaming device identification method and apparatus. International Game Technology, George H Gerstman, Seyfarth Shaw, December 3, 2002: US06488585 (232 worldwide citation)

An electronic memory which cannot be modified or erased, such as one-time programmable or add-only (OTP/AO) memory is used for storing direct or indirect indications of characteristics of a gaming terminal or its components. Preferably, a plurality of gaming terminal boards includes memory that has ...

Lawrence C Sampson, Emilio Belmonte: Session management in a stateless network system. Entrust, Marcel K Bingham, Hickman Palermo Truong & Becker, December 3, 2002: US06490624 (225 worldwide citation)

In a system that controls access to information resources, a session manager in cooperation with a topology mechanism enables a client to securely interact with a plurality of access servers and associated runtime elements using a plurality of sessions that are coordinated and tracked. The informati ...