1
Joseph M Crichton, Peter F Garvin, Jeffrey W Staten, Waiki L Wright: Method and apparatus for lightweight secure communication tunneling over the internet. International Business Machines Corporation, H Daniel Schnurmann Esq, Whitham Curtis & Whitham, August 15, 2000: US06104716 (256 worldwide citation)

A lightweight secure tunneling protocol or LSTP permits communicating across one or more firewalls by using a middle server or proxy. Three proxies are used to establish an end-to-end connection that navigates through the firewalls. In a typical configuration, a server is behind a first firewall and ...


2
Joseph P Kirk: Blazed grating measurements of lithographic lens aberrations. International Business Machines Corporation, H Daniel Schnurmann Esq, Whitham Curtis & Whitham, July 18, 2000: US06091486 (14 worldwide citation)

Exposures of a photosensitive material through an array of blazed gratings illuminate a lens asymmetrically to detect effects of a plurality of azimuthal aberrations including coma, astigmatism, and three-leaf and four-leaf clover aberrations. A plurality of such exposures of the array of blazed gra ...


3
Harsaran S Bhatia, Harvey C Hamel, David C Long, Edward R Pillai, Christopher D Setzer, Benjamin P Tongue: MLC frequency selective circuit structures. International Business Machines Corporation, H Daniel Schnurmann Esq, Scully Scott Murphy & Presser, October 19, 2004: US06806793 (10 worldwide citation)

MLC (multilayer ceramic) frequency selective circuit structures are disclosed. The MLC frequency selective circuit structures have a solenoid and toroid coil geometry in a multilayer electronic package which functions as a frequency selective tuned circuit in which both the number of turns and the a ...