1
Mark Wallach: Surgical apparatus for removal of tissue. Hydro Pulse Corporation, Howard C Miskin, January 6, 1976: US03930505 (183 worldwide citation)

Defective or unwanted tissue is removed such as from the lens of an eye by directing a pulsating high velocity liquid jet onto the defecting tissue to disintegrate the tissue and sucking the liquid entraining the disintegrated tissue from the area adjacent the tissue by a suction conduit. A control ...


2
Edward A Jacoby: Electronic data processing security system and method. Basic Computing Arts, H Ross Workman, J Winslow Young, January 6, 1976: US03931504 (138 worldwide citation)

A system and method for controlling the security of data in a central high speed data processing unit (CPU) by electronically sensing and comparing all operating or control statements coming into the CPU from terminal devices with a vocabulary of all statements unacceptable for security reasons whic ...


3
Robert B Watrous: Transducer suspension mount apparatus. International Business Machines Corporation, James A Pershon, January 6, 1976: US03931641 (101 worldwide citation)

A magnetic head arm assembly has a suspension for an air bearing head slider that includes a substantially rectangular flexure with two parallel flexible narrow fingers and relatively stiff crosslegs, and a central finger to which the slider is attached. A load beam is fastened to the flexure so as ...


4
Howard North Jr: Assembly for collection, separation and filtration of blood. Becton Dickinson and Company, Kane Dalsimer Kane Sullivan and Kurucz, January 6, 1976: US03931018 (101 worldwide citation)

Devices are disclosed which are useful in the simultaneous separation and filtration of the liquid portion of clotted whole blood and anti-coagulant treated whole blood. The devices are employed in novel apparatus of the invention, for the collection, separation and filtration of blood serum and blo ...


5
George William Ruggiero, Robert Myrick Kelly, Eliashiv Mazor: Multiple source battery-powered apparatus. Bell & Howell Company, Alfred H Rosen, Frank A Steinhilper, January 6, 1976: US03930889 (100 worldwide citation)

In apparatus powered by electric batteries (e.g.: a paging receiver) having a battery compartment including means to couple the battery in it with a battery charger, the negative (-) charging contact is located at a position nearer to one end of the battery compartment than to the opposite end. A re ...


6
Fritz Gartner, Erich Berger: System for testing paper money and the like. Oesterreichische National Bank, Karl F Ross, Herbert Dubno, January 6, 1976: US03930582 (97 worldwide citation)

To test the genuineness and/or condition of dollar bills or other substantially identical papers, one or more thickness gauges are positioned in the path of these papers and determine the deviations, if any, of the thickness of a passing specimen from a predetermined value or from the thickness of a ...


7
Arthur Evans: Assembly fixture for fixed point probe card. Wentworth Laboratories, January 6, 1976: US03930809 (96 worldwide citation)

A fixture for assembling a probe card adapted to test integrated circuit patterns having contacts deployed thereon. The card includes an opening providing access to a pattern and a ring of spaced conductive pads surrounding the opening. Anchored on selected pads are blade-like needle-holders having ...


8
Joseph Polichette, Edward J Leech: Method for the production of radiant energy imaged printed circuit boards. Photocircuits Division of Kollmorgen Corporation, Morgan Finnegan Pine Foley & Lee, January 6, 1976: US03930963 (96 worldwide citation)

Radiant energy imaged printed circuit boards are provided by treating an insulating base with a composition of a reducible metal salt and a radiant energy sensitive compound, exposing the treated base to radiant energy in selected areas to produce metallic nuclei in the form of a non-conducting real ...


9
George H Beall, Kenneth Chyung: Differential densification strengthening of glass-ceramics. Corning Glass Works, Kees VAN DER Steere, Clinton S Janes Jr, Clarence R Patty Jr, January 6, 1976: US03931438 (88 worldwide citation)

A strengthened glass-ceramic laminated article having a compressively-stressed surface layer substantially enveloping a tensilely-stressed core portion, produced by choosing the core and surface layer compositions such that the core undergoes a net positive differential densification with respect to ...


10
Jay A Fisher: Terephthalic acid recovery by continuous flash crystallization. Standard Oil Company, Fred R Ahlers, Arthur G Gilkes, William T McClain, January 6, 1976: US03931305 (87 worldwide citation)

Inordinately slow crystallization at rate controlled evaporative cooling of terephthalic acid from liquid phase aqueous solutions also containing from 500 to 6,000 ppm p-toluic acid based on dissolved terephthalic acid at temperatures in the range of 400.degree. to 550.degree.F. can be overcome by m ...