1
Dabbs Clyde Harwell, Neil Hugh G: Surgical buttons. May 23, 1972: US3664345 (297 worldwide citation)

A surgical button for retaining a suture after passing through the skin on one side of an abdominal or other wound. The button comprises a non-metallic disc made of nylon or other suitable plastic material which has an axial orifice therethrough for passage of the suture and which axial passage or o ...


2
Spindt Charles A, Heynick Louis N: Field ionizer and field emission cathode structures and methods of production. Stanford Research Institute, May 23, 1972: US3665241 (226 worldwide citation)

Field-forming devices primarily useful as field ionizers and field emission cathodes and having as a basic element an array of closely spaced cones with sharp points supported on a substrate (in the most usual case conductive or semiconductive) are disclosed. Preferably, the field-forming structure ...


3
Naylor Richard Norman: Nerve locator/stimulator. Concept, May 23, 1972: US3664329 (180 worldwide citation)

A self contained, portable, disposable, self testing and self powered instrument for use in medical procedures to stimulate nerves and to determine if the tissue in question is a muscle controlling nerve, by delivering a maximum of 2 milliamperes of current through human tissue in the general area t ...


4
Sianesi Dario, Fontanelli Renzo: Perfluorinated polyethers and process for their preparation. Montecatini Edison, May 23, 1972: US3665041 (163 worldwide citation)

New polyether oligomers, homopolymers and copolymers consisting only of carbon, fluorine and oxygen atoms, having only perfluoralkyl terminal groups, and containing no peroxidic oxygen. Prepared by reacting polyether which contains reactive terminal groups and, optionally, peroxidic oxygen with fluo ...


5
Lee Jr Henry L, Culp Gordon W, Ocumpaugh David E: Bacteria-resistant percutaneous conduit device. May 23, 1972: US3663965 (145 worldwide citation)

A percutaneous device for facilitating passage of wires, tubes, and other electrical or fluid conductors through the skin of an animal, in a manner such that the wires, tubes, or other conductors are immobilized with respect to the skin and a fluid and bacterial seal is obtained. The device comprise ...


6
Cripps Jack: Electrical connectors. The Bunker Ramo Corporation, May 23, 1972: US3665371 (122 worldwide citation)

Electrical plug-and-socket connectors have plastics locking sleeves, preferably colored for coding, for couping and retaining the connectors to mating connectors, and the sleeves can yield outwardly, have some resilience and are arranged to interlock onto the respective connector bodies with a 'snap ...


7
Norris Russell: Enzyme detergent composition containing coagglomerated perborate bleaching agent. The Procter & Gamble Company, May 23, 1972: US3664961 (118 worldwide citation)

An enzyme granular detergent composition having improved enzyme stability which comprises at least one water soluble organic synthetic detergent, at least one water soluble detergency builder, an enzyme, and from about 0.005 to 50 percent by weight of a coagglomerated sodium perborate bleaching agen ...


8
Forney Jr George David: Sequential decoding. Codex Corporation, May 23, 1972: US3665396 (116 worldwide citation)

An improved error-correcting decoder for convolutional codes, of the sequential decoding type, is described. By restriction of received digit quantization to hard decisions, the number of alternatives in a single decoding search move is made sufficiently small that an entire move can be completed in ...


9
Fassett Matthew: Annular slot antenna with stripline feed. Raytheon Company, May 23, 1972: US3665480 (114 worldwide citation)

A stripline antenna having a radiating aperture in the form of an annular slot provided in one of its conducting plates and a pair of orthogonal narrow strip conductor feeds disposed between its two conducting plates and terminating under the central disk formed by the annular slot. Adjustment of th ...


10
Becker Carl H, Dell Harold R, McFarland Keith E, Wong Herman: Laser recording medium. Chase Manhattan Capital Corporation, May 23, 1972: US3665483 (111 worldwide citation)

A recording medium for permanent storage of data by selective laser beam ablation of a layer of energy-absorbing material. The recording medium is formed by a substrate, a uniform layer of light energy-absorbing material coated on the substrate, and a protective layer of transparent material coated ...