1
Andres R Lucero, Roy E Gilbert, Jack H Stevens: Monitoring system for use with amusement game devices. Bally Manufacturing Corporation, Fitch Even Tabin & Luedeka, February 7, 1978: US04072930 (314 worldwide citation)

A system for use in monitoring a plurality of amusement game devices is disclosed wherein individually identifiable attending personnel are employed to verify a predetermined game condition. The system is adapted for use with a computer and includes an interface unit connected to the computer and to ...


2
Randolph M Howes: Venous catheter device. Finnegan Henderson Farabow & Garrett, February 7, 1978: US04072146 (219 worldwide citation)

A venous catheter device including a plurality of independent and noncommunicating fluid conveying lumens housed within or formed in a single catheter. One end of each lumen is adapted to be connected to a different fluid source, such as an intravenous (IV) drug infusion or feeder device, a syringe, ...


3
Hans R Arwin, Kurt I Lundstrom: Method for studying enzymatic and other biochemical reactions. Kabi, Pollock Vande Sande & Priddy, February 7, 1978: US04072576 (134 worldwide citation)

Method for studying biochemical reactions in which a substance, whose activity or concentration is to be determined, affects a substrate specific for the biochemical reaction which includes providing electrodes coated with the substrate, determining as the control value, the capacitance in a measuri ...


4
John H Linehan: Orthopedic cryosurgical apparatus. Andrus Sceales Starke & Sawall, February 7, 1978: US04072152 (133 worldwide citation)

Apparatus for performing cryosurgical procedures on bone tumors includes a source of liquid nitrogen. Generally U-shaped probes formed of lead are connected to the source and placed on the exposed surface of the tumor. The liquid nitrogen is passed through the probe to produce necrosis of the tumor. ...


5
Lynn D McWaters: Wand turn-on control. Recognition Equipment Incorporated, John E Vandigriff, Thomas W DeMond, February 7, 1978: US04072859 (112 worldwide citation)

Disclosed is a control circuit used to conserve power in a portable optical recognition system. When the system is not being used or between actual scans of the reading electronics, power is supplied only to those circuits required to control power to the system and to permit sequence reading of ite ...


6
Akiyasu Ishitani: Insulated gate field effect transistor. Sony Corporation, Hill Gross Simpson Van Santen Steadman Chiara & Simpson, February 7, 1978: US04072975 (105 worldwide citation)

An insulated gate field effect transistor is formed of a drain region of a first conductivity type which faces both of the major surfaces of a semiconductor substrate, a frame region of a second conductivity type which faces the one major surface of the semiconductor substrate, a base region of the ...


7
Daniel R McGlynn: Vehicle usage monitoring and recording system. February 7, 1978: US04072850 (104 worldwide citation)

An arrangement for use in a vehicle, including a reading unit for reading information from a portable information-providing instrument; data input means in the vehicle for providing data input from a sensor in the vehicle; enabling means in the vehicle connectable with the reading unit or the data i ...


8
Jon A Anderson, Wendell R Malin: Sealing arrangement for heart pacer electrode leads. Cardiac Pacemakers, Orrin M Haugen, Thomas J Nikolai, February 7, 1978: US04072154 (86 worldwide citation)

An improved electrode sealing arrangement for use on lead assemblies to be coupled to an implantable pulse generator to form a cardiac pacer apparatus. The conductive portion of the lead includes a terminal pin which is both rigid and durable, and which is arranged to be clamped between a set screw ...


9
Edward A Wilson, James D Fredenberg: Fluid cooling systems for electronic systems. Honeywell Information Systems, Edward W Hughes, William W Holloway Jr, Roland T Reiling, February 7, 1978: US04072188 (82 worldwide citation)

A fluid cooling system for electronic systems particularly adapted to cool large scale integrated circuit chips mounted on substrates. The system has one or more heat exchangers through which a liquid coolant is circulated. Each heat exchanger has a flexible wall and is mounted so that its flexible ...


10
John R Hoffman, Peter J Marsland: Short-crimp surgical needle. American Cyanamid Company, Charles F Costello Jr, February 7, 1978: US04072041 (80 worldwide citation)

Surgical needles are attached to sutures with controlled pull-out characteristics by a short crimp--that is a crimp whose length is markedly less than the length of the end of the suture in the needle; with an essentially undistorted portion of the needle adjacent to where the suture emerges from th ...