Charles Szmanda
Charles R Szmanda, Peter Trefonas III: Negative photoresist composition. Shipley Company L L C, Robert L Goldberg, Peter F Corless, Darryl P Frickey, February 2, 1999: US05866299 (6 worldwide citation)

A photoresist composition and process that minimizes the effect of photogenerated acid migration. The photoresist comprises an alkali soluble resin, a photoacid generating compound that undergoes photolysis within a wavelength of from 330 to 700 nm to yield a strong acid, a crosslinking agent capabl ...

Keith L Milliman, Frank J Viola, Joseph Orban, Randolph F Lehn: Surgical stapling apparatus. United States Surgical Corporation, February 2, 1999: US05865361 (946 worldwide citation)

A surgical stapling device particularly suited for endoscopic procedures is described. The device can be used with both articulating and non-articulating disposable loading units and has a sensing mechanism for sensing the type of disposable loading unit secured to the device.

Andrew K Lang, Donald M Kosak: Information system and method for filtering a massive flow of information entities to meet user information classification needs. Morgan Lewis & Bockius, February 2, 1999: US05867799 (760 worldwide citation)

An apparatus, method, and computer program product for information filtering in a computer system receiving a data stream from a computer network, the data stream having raw informons embedded therein, at least one of the raw informons being of interest to a user, the user being a member client of a ...

Isaac K Elliott, Sridhar Krishnaswamy: System, method and article of manufacture for communications utilizing calling, plans in a hybrid network. MCI Communications Corporations, February 2, 1999: US05867495 (735 worldwide citation)

Telephone calls, data and other multimedia information is routed through a hybrid network which includes transfer of information across the internet utilizing telephony routing information and internet protocol address information. A media order entry captures complete user profile information for a ...

Vincent Bryan, Alex Kunzler: Human spinal disc prosthesis. Hill & Simpson, February 2, 1999: US05865846 (726 worldwide citation)

The invention relates to a spinal disc endoprosthesis. The endoprosthesis has a resilient body formed of one or more materials which may vary in stiffness from a relatively stiff exterior annular gasket portion to a relatively supple central nucleus portion. Concaval-convex elements at least partly ...

Douglas J Ballantyne, Michael Mulhall: Method and apparatus for electronically accessing and distributing personal health care information and services in hospitals and homes. Paxton Developments, February 2, 1999: US05867821 (600 worldwide citation)

This new and unique method and apparatus is used for the distribution and administration of medical services, entertainment services, electronic medical records, educational information, etc. to a patient's individual electronic patient care station (PCS) interconnected to a master library (ML) whic ...

Sridhar Krishnaswamy, Isaac K Elliott, Tim E Reynolds, Glen A Forgy, Erin M Solbrig: System, method and article of manufacture with integrated video conferencing billing in a communication system architecture. MCI Communication Corporation, February 2, 1999: US05867494 (575 worldwide citation)

Telephone calls, data and other multimedia information including video, audio and data is routed through a switched network which includes transfer of information across the internet. Users can participate in video conference calls in which each participant can simultaneously view the video from eac ...

Kevin Lynn Baum, Nikhil Shashank Nadgauda: Synchronous coherent orthogonal frequency division multiplexing system, method, software and device. Motorola, Darleen J Stockley, February 2, 1999: US05867478 (552 worldwide citation)

A synchronous coherent orthogonal frequency division multiplexing, SC-OFDM, system, method, software and device include a plurality of SC-OFDM transmitters and a plurality of SC-OFDM receivers. Each of the plurality of SC-OFDM transmitters is synchronized to a reference where the reference is derive ...

Gregg S Baker: Dynamic intervertebral spacer and method of use. Artifex, BHC Engineering, Finnegan Henderson Farabow Garrett & Dunner L, February 2, 1999: US05865848 (543 worldwide citation)

A spinal fusion implant assembly for spacing vertebrae and method of using the implant are provided. The implant includes two components each having a vertebral contact surface, a pair of side portions, and an end plate. The two components are complementary such that when placed together they form a ...

Jian Chen, Yupin Fong: High density non-volatile flash memory without adverse effects of electric field coupling between adjacent floating gates. SanDisk Corporation, Majestic Parsons Siebert & Hsue, February 2, 1999: US05867429 (497 worldwide citation)

Electric field coupling between floating gates of a high density flash EEPROM cell array has been found to produce errors in reading the states of the cells, particularly when being operated with more than two storage states per cell. The effect of this coupling is overcome by placing a conductive s ...