1
Harrith M Hasson: Multi-pronged laparoscopy forceps. Norman Lettvin, November 20, 1979: US04174715 (158 worldwide citation)

Multi-pronged spring-loaded laparoscopy instruments are provided for use in tubal sterilization, ovarian mobilization and biopsy. The instruments include three or four expandable prongs for holding tissue in a stable position. The instrument may be provided with a plug for access to an inner biopsy ...


2
Jeffrey V Wilson, James H Schaefer, Anthony A Glowacz, Jack Bayha: Coaxial wet connector with spring operated piston. The United States of America represented by the Secretary of the Navy, Richard S Sciascia, J M St Amand, Darrell E Hollis, November 20, 1979: US04174875 (146 worldwide citation)

A coaxial wet connector for connecting coaxail conductors of electromechaal ocean cables underwater either by a diver or submersible manipulator. The connector comprises a male section having a male inner conductor extending outwards from a concentric male outer conductor and a female section contai ...


3

4
Nils Larsson: Shower holder. Holman & Stern, November 20, 1979: US04174822 (134 worldwide citation)

The invention provides a simplified shower holder combination adapted to be easily adjustable and the shower holder comprises a bracket member slidably and pivotably arranged on a wall-attached bar, said bracket member having a pivot shaft whereupon a shower handle holder is fitted, clamping means b ...


5
Otto J Adlhart: Fuel cell system utilizing ion exchange membranes and bipolar plates. Engelhard Minerals & Chemicals Corporation, November 20, 1979: US04175165 (132 worldwide citation)

Fuel cell assemblies and methods for manufacturing same are disclosed, the fuel cell assemblies comprising a stacked configuration of fuel cell laminates, each including a catalytic fuel electrode, a catalytic oxygen electrode, and an electrolyte therebetween the electrolyte comprising an ion exchan ...


6
Charles D Kelman: Intraocular lenses. Philip Rodman, November 20, 1979: US04174543 (127 worldwide citation)

Intraocular lenses with four point position fixation in the eyeball have positioning elements that provide lens stability with respect to the pupil while being substantially deflectable in response to normal distortions of the eyeball to minimize eye irritation and other eyeball distortion related t ...


7
Katsuichi Tachi: Method and apparatus of inserting an address signal in a video signal. Sony Corporation, Hill Van Santen Steadman Chiara & Simpson, November 20, 1979: US04175267 (122 worldwide citation)

Method and apparatus for inserting an address signal in a video signal by compressing the SMPTE (Society of Motion Picture And Television Engineers) time code signal and then inserting the compressed time code signal into three successive vertical blanking periods of the video signal. The invention ...


8
Peter W Smith, Rudolph G Mastrioanni: Modular microwave power combiner. United Technologies Corporation, Richard P Lange, November 20, 1979: US04175257 (114 worldwide citation)

A modular microwave power combiner having a plurality of identical microwave diode amplifier circuits grouped in sets within the body of a modular unit which are electrically coupled in parallel to a central cavity sized to be resonant at a single frequency to minimize mismoding thereby enhancing co ...


9
Garry L Porter: Composition and method to prevent accidental and intentional overdosage with psychoactive drugs. John H Widdowson, November 20, 1979: US04175119 (98 worldwide citation)

A composition and method of inducing emesis to preclude death from accidental or intentional overdosage of a therapeutic composition. The surface of the therapeutic composition is coated with an emetic chemical of such quantity that if the therapeutic composition is consumed in moderation or in acco ...


10
Robert P Gruber: Self-reconfiguring solar cell system. The United States of America represented by the Administrator of the National Aeronautics and Space Administration, Norman T Musial, John R Manning, Gene E Shook, November 20, 1979: US04175249 (95 worldwide citation)

A self-reconfiguring solar cell array wherein some of the cells are switched so that they can be either in series or in shunt within the array. This feature of series or parallel switching of cells allows the array to match the load to achieve maximum power transfer. Automatic control is used to det ...