1
Marion F Rudy: Footwear. Robert C Bogert, Subkow and Kriegel, September 2, 1980: US04219945 (422 worldwide citation)

A shoe embodying a multiple chambered pneumatically inflated insert encapsulated in a yieldable foam which acts as a bridging moderator filling in irregularities of the insert and providing a substantially smooth and contoured surface for supporting the foot in a comfortable manner. The encapsulated ...


2
William A Gibson, John E Talmage Jr: Nonplanar transparent electrographic sensor. Elographics, Martin J Skinner, September 2, 1980: US04220815 (181 worldwide citation)

An electrographic sensor for the generation of coordinate signals corresponding to contacted positions on the sensor is described. This sensor is of particular value for placing in intimate contact with the nonplanar face of a cathode ray tube or the like. The sensor has a rigid, optically transpare ...


3
Douglas G Noiles: Prosthetic knee joint. United States Surgical Corporation, Fleit & Jacobson, September 2, 1980: US04219893 (181 worldwide citation)

A prosthetic knee joint of the hinged type which permits rotation of the bones in two planes and has means for attaching the device to the bones as well as coupling means. The attaching means for the tibia is in the form of a flanged sleeve in which a flanged stem element is adapted to be rotatably ...


4
Koichi Hamano, Takao Morimoto, Junko Watanabe, Kaoru Ono, Norio Yagi: Electronic cash register with removable memory packs for cashier identification. Tokyo Electric, Frishauf Holtz Goodman & Woodward, September 2, 1980: US04220991 (169 worldwide citation)

An electronic cash register is provided which comprises a keyboard including a plurality of entry keys, function keys and department keys, a memory, a first interface circuit with which a cashier memory pack is mechanically, electrically and disconnectably coupled, a second interface circuit with wh ...


5
Umberto Scata, Luciano Luciani, Pier C Barbe: Components of catalysts for polymerizing alpha-olefins and the catalysts formed from the components. Montedison S p A, September 2, 1980: US04220554 (139 worldwide citation)

New components of catalysts for polymerizing alpha-olefins, and the catalysts formed from the new components are disclosed. Said catalyst components are prepared by reacting Ti compounds with a carrier in the form of spheroidal particles of specified characteristics and which consists of or comprise ...


6
Elvis E Adams: Injection site having thermoplastically sealed injection port. Baxter Travenol Laboratories, H W Collins, Paul C Flattery, Raymond Mehler, September 2, 1980: US04219912 (118 worldwide citation)

Injection sites are provided for injecting substances such as medicaments into systems that are feeding parenteral fluid to a patient, which injection sites have injection ports that are thermoplastically sealed into the injection site in a manner that is simpler, faster, less expensive, and more re ...


7
John P Kimball, Cesar A Caceres: Method and apparatus for discrimination and detection of heart sounds. Clinical Systems Associates, Fleit & Jacobson, September 2, 1980: US04220160 (115 worldwide citation)

A method and apparatus for transposition of heart sounds to a range easily detectable by the human ear and suitable for transmission, for discrimination of low intensity or brief sounds, and for display of the heart sounds on conventional recording devices involve steps of and means for, respectivel ...


8
Gerardus C van der Graaf: Drill pipe telemetering system with electrodes exposed to mud. Shell Oil Company, September 2, 1980: US04220381 (106 worldwide citation)

A drill string telemetry system of the hard-wired type wherein a separate conductor extends through each section of the drill pipe. The conductor is connected to connectors located in the ends of the drill pipe with the connectors completing the electrical circuit as the drill pipe is assembled. The ...


9
Pope P Britt: Dual frequency horn antenna system. General Electric Company, Bailin L Kuch, September 2, 1980: US04220957 (97 worldwide citation)

A feature of this invention is the provision of an antenna system providing two, coaxial, copolarized, independently focused beams: a relatively wide, low frequency, searching beam, and a relatively narrow, high frequency, tracking beam; and comprising a dual frequency, dual polarization feedhorn; a ...


10
Talmadge R Searcy: Joggers computational device. Kalish & Gilster, September 2, 1980: US04220996 (96 worldwide citation)

A portable self-contained computational device for use by a striding athlete, such as a jogger, includes a stride length selector permitting the athlete to preselect a normal length of stride and a rate selector permitting the athlete to preselect a desired rate of travel by striding, as in minutes/ ...