1
Frank Baumgart, Gunter Bensmann, Jorg Haasters, Jurgen Hartwig, Joachim Jorde, Manfred Muller, Karl F Schlegel: Method for implanting and subsequently removing mechanical connecting elements from living tissue. Fried Krupp Gesellschaft mit beschrankter Haftung, Spencer & Kaye, October 16, 1979: US04170990 (218 worldwide citation)

Method for implanting and subsequently removing mechanical implants of an Ni-Ti or a Ti-Nb alloy material which exhibits the memory effect which occurs due to heating of the implant to a temperature above the specific temperature for the alloy material. The memory effect is actuated by heating the i ...


2
Marcial Alvarez: Sliding I.V. needle carrier assembly. Weingram & Klauber, October 16, 1979: US04170993 (157 worldwide citation)

An I.V. needle carrier assembly is disclosed which includes a delta-shaped base plate and an I. V. needle carrier-receiving barrel secured to the base plate and extending along the axis of symmetry thereof, so that the forward open end of the barrel resides at the apex of the delta. An I.V. needle c ...


3
Anthony R Booth: Razor cartridges. Warner Lambert Company, Jeremiah J Duggan, Stephen A Schneeberger, October 16, 1979: US04170821 (139 worldwide citation)

A solid water-soluble shaving aid incorporated in a disposable razor blade cartridge which gradually dissolves during the act of wet shaving. The shaving aid, in the form of a lubricant, whisker softener, razor cleaner, medicinal agent, cosmetic agent or combination of the above is embedded, dispers ...


4
Carl D Keith, William R Larsen, Thomas Shimrock: Catalyst compositions and the method of manufacturing them. Engelhard Minerals & Chemicals Corporation, October 16, 1979: US04171288 (135 worldwide citation)

Catalysts are disclosed which have good activity and life when used to promote the conversion of hydrocarbons, carbon monoxide and nitrogen oxides contained in small concentrations in gaseous streams, to obtain the less noxious materials, carbon dioxide, water and nitrogen. The catalysts contain a c ...


5
Victor J Anselmo, Terrence H Reilly: Medical diagnosis system and method with multispectral imaging. California Institute of Technology, Freilich Hornbaker Wasserman Rosen & Fernandez, October 16, 1979: US04170987 (123 worldwide citation)

A skin diagnosis system includes a scanning and optical arrangement whereby light reflected from each incremental area (pixel) of the skin is directed simultaneously to three separate light filters, e.g., IR, red, and green. As a result the three devices simultaneously produce three signals which ar ...


6
Charles R Otey, Burton C Winkler Jr: Secure communications system. Sanders Associates, Richard I Seligman, Louis Etlinger, October 16, 1979: US04171513 (116 worldwide citation)

A privacy communication system is herein disclosed comprising apparatus for digitizing information to be transmitted, apparatus for logically adding a selected pseudo-random digital code to the digitized information, apparatus for removing the pseudo-random code upon reception and apparatus for sync ...


7
Leonard N Evenchik: Signal multiplexing circuit. Bell Telephone Laboratories Incorporated, James M Graziano, October 16, 1979: US04171467 (95 worldwide citation)

The disclosed signal multiplexing circuit makes use of a single pair of wires to interface a data and voice communication circuit such as an electronic key telephone (EKT) station set with a central data and voice communication system such as a business communication system (BCS). The signal multipl ...


8
Douglas A Pinnow, Anthony L Gentile: Medical laser instrument for transmitting infrared laser energy to a selected part of the body. Hughes Aircraft Company, W H MacAllister, Allen A Dicke Jr, October 16, 1979: US04170997 (86 worldwide citation)

There is disclosed a laser instrument which uses an infrared fiber optical waveguide to transmit a high power carbon monoxide or carbon dioxide laser beam for treating a selected part of the body. In one important application of the instrument, the laser beam is transmitted to the interior of the hu ...


9
William T Doty: Tear tab disposable cup or container structure. Maryland Cup Corporation, Birch Stewart Kolasch and Birch, October 16, 1979: US04171085 (77 worldwide citation)

A paper or plastic cup or container is provided having a pull-tab extending from the side seam which can be torn off by the consumer to be used as a coupon, proof-of-purchase or to reveal some form of concealed marking which might entitle the consumer to a premium, gift or other consideration. The p ...


10
Charles E Jahnig: Energy conversion system for deriving useful power from sources of low level heat. Edward J Brenner, October 16, 1979: US04170878 (77 worldwide citation)

An energy conversion system for deriving useful power from the thermal gradients in the ocean, or from solar, geothermal, or other sources of low level heat, by using warm water to heat a confined working gas such as air whereby a pressure increase results due to warming the gas, arranging so that t ...