1
Sakharam D Mahurkar: Double lumen hemodialysis catheter. Vogel Dithmar Stotland Stratman & Levy, January 16, 1979: US04134402 (254 worldwide citation)

A double lumen continuous flow hemodialysis needle and cannula having contiguous lumens of different lengths, the shorter lumen acting as blood intake lumen and the longer as a blood return lumen, each lumen having a beveled edge sloping outwardly and away from the needle which can be inserted percu ...


2
Julie A Smit: Catheter and intestine tube and method of using the same. Charles A Laff, J Warren Whitesel, Howard B Rockman, January 16, 1979: US04134405 (235 worldwide citation)

A first part of the inventive instrument comprises an insertion and removal device in the form of a catheter which may be inserted through the mouth, pharynx, and esophagus into the stomach. The catheter includes an outer sheath which protects the human body while a tool extending coaxially through ...


3
Royden C Sanders Jr, Martin R Richmond, Alfred J Cann: Satellite communications system incorporating ground relay station through which messages between terminal stations are routed. Sanders Associates, Louis Etlinger, Joseph E Funk, January 16, 1979: US04135156 (158 worldwide citation)

A satellite relay communications system includes a ground relay station arranged so that each message from one subscriber to another is relayed by the satellite relay to the ground relay, processed by the ground relay and then transmitted to the second subscriber by way of the satellite relay. Proce ...


4
Long F Chang: Bottle having ribbed bottom. Owens Illinois, R D Heberling, D H Wilson, M E Click, January 16, 1979: US04134510 (134 worldwide citation)

A method of and apparatus for making a concave bottom on a blown thermoplastic container, and a container having such a bottom. A blowable pre-form is initially expanded against a composite mold surface defined by the end faces of a plurality of concentric tubes surrounding a central actuating rod. ...


5
Dennis M Ritchie: Protection of data file contents. Bell Telephone Laboratories Incorporated, Stephen J Phillips, January 16, 1979: US04135240 (129 worldwide citation)

An improved arrangement for controlling access to data files by computer users. Access permission bits are used in the prior art to separately indicate permissions for the file owner and nonowners to read, write and execute the file contents. An additional access control bit is added to each executa ...


6
Robert C Boguslaski, Robert J Carrico, James E Christner: Specific binding assay with an enzyme modulator as a labeling substance. Miles Laboratories, Andrew L Klawitter, January 16, 1979: US04134792 (127 worldwide citation)

A specific binding assay method employing, as a labeling substance, a reversibly binding enzyme modulator for the detection of a ligand in a liquid medium. The method follows conventional specific binding assay techniques of either the homogeneous or heterogeneous type wherein the liquid medium to b ...


7
Anthony P Bogacki, Richard G Farnsworth, Samuel G Hardy, Paul B Robinson, Charles A Stutt: Automatic remote meter reading and control system. General Electric Company, Robert E Brunson, Francis X Doyle, January 16, 1979: US04135181 (127 worldwide citation)

An automatic meter reading and control system for communicating with remote terminal points includes a central station which selectively communicates with a transponder controller unit at each terminal point via a plurality of distribution units, each serving several transponder controller units. Th ...


8
Robert R Brownlee, Frank O Tyers: Cardiac pacer energy conservation system. Research Corporation, Cooper Dunham Clark Griffin & Moran, January 16, 1979: US04134408 (125 worldwide citation)

A system for extending the lifetime of an implantable cardiac pacer of the type having an internal primary battery power source includes an external energy transmitting source for selectively externally powering the pacer in order to reduce consumption of the internal battery power. While the pacer ...


9
Leroy E Burlew, Michael G Reid, William E Hunt: Copier finisher for an electrographic reproducing device. Eastman Kodak Company, William F Noval, January 16, 1979: US04134672 (114 worldwide citation)

Copy finisher for assembling uncollated or collated copies produced by an electrographic copies into booklets in an intermediate tray, for stapling the booklets, if desired, and for selectively stacking the booklets in an offset or straight manner in an output tray. If a malfunction, such as a paper ...


10
Lawrence E Larsen, John H Jacobi: Microwave time delay spectroscopic methods and apparatus for remote interrogation of biological targets. The United States of America represented by the Secretary of the Army, William G Gapcynski, Werten F W Bellamy, January 16, 1979: US04135131 (110 worldwide citation)

Remote interrogation of biological targets is accomplished in accordance h the present invention by method and apparatus wherein a microwave signal is generated which varies in frequency from a first frequency to a second frequency in a predetermined time period. The signal is divided into two signa ...