1
Ronald L Rivest, Adi Shamir, Leonard M Adleman: Cryptographic communications system and method. Massachusetts Institute of Technology, Arthur A Smith Jr, Robert J Horn Jr, September 20, 1983: US04405829 (1101 worldwide citation)

A cryptographic communications system and method. The system includes a communications channel coupled to at least one terminal having an encoding device and to at least one terminal having a decoding device. A message-to-be-transferred is enciphered to ciphertext at the encoding terminal by first e ...


2
Merton C Flemings, Robert Mehrabian, David B Spencer: Composition and methods for preparing liquid-solid alloys for casting and casting methods employing the liquid-solid alloys. Massachusetts Institute of Technology, Arthur A Smith Jr, Martin M Santa, Robert J Horn Jr, April 6, 1976: US03948650 (77 worldwide citation)

A metal composition characterized by degenerate dendritic or nodular primary discrete solid particles suspended in a secondary phase having a lower melting point than the primary particles and which secondary phase can be solid or liquid. The method involves raising the temperature of a metal alloy ...


3
Robert Mehrabian, Merton C Flemings: Metal composition and methods for preparing liquid-solid alloy metal compositions and for casting the metal compositions. Massachusetts Institute of Technology, Arthur A Smith Jr, Robert Shaw, Robert J Horn Jr, April 20, 1976: US03951651 (49 worldwide citation)

This invention provides a composite composition comprising a metallic matrix having a concentration of third phase solid particles homogeneously dispersed throughout the metallic matrix. The metallic matrix can be liquid, solid or partially solid and can have (a) a dendritic structure or (b) up to 6 ...


4
Jack I Raffel, John A Yasaitis: Capacitor memory and methods for reading, writing, and fabricating capacitor memories. Massachusetts Institute of Technology, Arthur A Smith Jr, Gary A Walpert, Robert J Horn Jr, December 30, 1980: US04242736 (25 worldwide citation)

An improved metal dual insulator semiconductor capacitor memory is disclosed. The memory contains a plurality of capacitor cells, each cell comprising a semiconductor substrate layer and a high conductivity layer sandwiching two insulator layers. The substrate is doped to provide avalanche breakdown ...


5
Arnold L Demain, Toshio Konomi, Jack E Baldwin: Synthesis of isopenicillin derivatives in the absence of living cells. Massachusetts Institute of Technology, Arthur A Smith Jr, Robert J Horn Jr, Anthony M Lorusso, February 3, 1981: US04248966 (13 worldwide citation)

Isopenicillin derivatives having antimicrobial properties and a general formula of: ##STR1## where R, R.sub.1, and R.sub.2 are hydrogen, methyl, ethyl, propyl, isopropyl, or halogenated methyl, ethyl, propyl or isopropyl radicals and R.sub.3 is ##STR2## are produced in a cell-free system using an ex ...


6
Yao T Li: Cable wind mill. Massachusetts Institute of Technology, Arthur A Smith Jr, Robert J Horn Jr, Peter J Manus, December 1, 1981: US04303834 (11 worldwide citation)

Disclosed is a wind power generating apparatus for producing megawatt levels of power. The apparatus comprises at least one endless flexible cable supported on the peripheries of two spaced apart wheels. Airfoils are attached to the cable and disposed for generating aerodynamic forces which cause th ...


7
Jacob Rotstein, Robert J Keyes: Infrared detection tube. Massachusetts Institute of Technology, Arthur A Smith Jr, Martin M Santa, Robert J Horn Jr, April 13, 1976: US03950645 (8 worldwide citation)

1. An infrared imaging device comprising, cooling means for lowering the temperature of the device, a wafer of preselected infrared sensitive material, a layer of thin infrared transparent electrically conductive material deposited on one side of said wafer, a wire mosaic, said wire mosaic in intima ...


8
Yao Tzu Li: Thermal engine with entrapped working medium. Massachusetts Institute of Technology, Arthur A Smith Jr, Robert J Horn Jr, February 28, 1978: US04075846 (6 worldwide citation)

A thermal engine with entrapped working medium is a device with a principle element in the form of a continuous yieldable belt whose tension and length are responsive to temperature due to the property of the working medium entrapped by the belt. This yieldable belt is then wrapped in sequence over ...