1
Mark C Shults, Christopher C Capelli, Stuart J Updike: Biological fluid measuring device. Markwell Medical Institute, Olson & Hierl, July 12, 1988: US04757022 (921 worldwide citation)

A biological fluid measuring device for determining the presence and the amounts of substances in a biological fluid without the need for dilution of the fluid comprises a main housing including electronic circuit means and at least one elecrode, and a cartridge having a membrane. The cartridge is r ...


2
Bernard N Riskin: Telephone system for connecting a customer to a supplier of goods. Applied Telematics, Richard C Woodbridge, July 12, 1988: US04757267 (642 worldwide citation)

A telephone system automatically connects a potential customer with a nearby dealer who can provide the goods or services desired by the potential customer. The potential customer first dials an "800"-type number which preferably includes digits uniquely characteristic of the product or service desi ...


3
Robert S Hillman, Michael E Cobb, Jim Allen, Ian Gibbons, Vladimir Ostoich, Laura J Winfrey: Capillary flow device. Biotrack, Leydig Voit & Mayer, July 12, 1988: US04756884 (377 worldwide citation)

Methods and devices are provided involving at least one chamber, at least one capillary, and at least one reagent involved in a system providing for a detectable signal. As appropriate, the devices provide for measuring a sample, mixing the sample with reagents, defining a flow path, and reading the ...


4
Ralph M Kerns, Bernardino Rubalcaba Jr, Donald E Bobo, Kenneth W Rake, Robert R Weyant: Centrally managed modular infusion pump system. American Hospital Supply Corporation, Weissenberger & Peterson, July 12, 1988: US04756706 (286 worldwide citation)

A plurality of infusion pump modules are detachably connected to a portable central management unit. The modules can be programmed by the central management unit, and their operating information displayed by the central management unit, when they are connected to it; yet the modules, once programmed ...


5
Michael J Allen, John Langlois: Security system for microcomputers. Computer Security Corporation, Milton S Gerstein, Marvin N Benn, July 12, 1988: US04757533 (285 worldwide citation)

A security system for a personal computer, in which hardware and software are combined to provide a tamper-proof manner of protecting user-access and file-access. The hardware component of the system is an expansion board for insertion into an expansion slot of the PC, and has a first EPROM chip con ...


6
Dwight W Decker, Payne Freret, Dirk Hughes Hartogs, Mark B Flowers, Frederick L Mueller: Speech and data multiplexor optimized for use over impaired and bandwidth restricted analog channels. Telebit Corporation, Donald C Feix, July 12, 1988: US04757495 (280 worldwide citation)

The present invention relates to an apparatus and method for the simultaneous transmission of analog speech and modulated data, such apparatus and method being optimized for use over impaired and bandwidth restricted analog channels, or digital representations of such channels. In each instance of u ...


7
Rajen Puri, Dan Yee, John P Seidle: Method for producing natural gas from a coal seam. Amoco Corporation, Scott H Brown, Fred E Hook, July 12, 1988: US04756367 (261 worldwide citation)

Disclosed herein is a method of degasification, wherein gas and water production from a coal field are maintained at high rates regardless of temporary changes in market demand. While all the produced water is disposed, surplus gas is reinjected in coal by converting some of the producers to injecto ...


8
Stephen M Matyas, Jonathan Oseas: Code protection using cryptography. International Business Machines Corporation, John E Hoel, Joseph C Clark George E Redmond Jr, July 12, 1988: US04757534 (248 worldwide citation)

A cryptographic method for discouraging the copying and sharing of purchased software programs allows an encrypted program to be run on only a designated computer or, alternatively, to be run on any computer but only by the user possessing a designated smart card. Each program offering sold by the s ...


9
Joseph F Boggia: Athletic shoe. GenCorp, July 12, 1988: US04756098 (248 worldwide citation)

An athletic shoe generally has a plurality of strips of an inextensible material, such as graphite, which extend from the lace area rearwardly over the shoe exterior and into a non-ground contacting area of a laminated sole. The weight of the wearer also bears upon the strip sole ends and aids in re ...


10
Thomas G Fellows: Continuously-variable ratio transmission for an automobile vehicle. Cushman Darby & Cushman, July 12, 1988: US04756211 (226 worldwide citation)

A transmission system, especially for use in automobile vehicles, in which the ratio-varying unit is of the continuously-variable type particularly the toroidal-race rolling traction type. An epicyclic combination is located between the ratio-varying unit output and the final output of the system as ...