1
Allyn L Golub: Bandage containing attachment post. Key Pharmaceuticals, Wegner & Bretschneider, November 3, 1981: US04297995 (572 worldwide citation)

A bandage is disclosed comprising a lower portion and a matrix. The lower portion has an upper surface, a base plate on the upper surface, and a post extending from the surface of the base plate. The matrix is attached to the lower portion by means of a hole extending through the matrix which fits a ...


2
Robert B Davis, John Skelton, Richard E Clark, Wilbur M Swanson: Heart valve prosthesis. Albany International, Washington University, Kenway & Jenney, November 3, 1981: US04297749 (421 worldwide citation)

A frame system for heart valve prosthesis. A first frame has at least three generally parallel legs each comprising a pair of rod portions connected at one end and diverging at the other end as lobes respectively connecting with rod portions of others of said legs. The lobes form an aperture therebe ...


3
Yasuo Okuno: Light-emitting diode display. Zaidan Hojin Handotai Kenkyu Shinkokai, Cushman Darby & Cushman, November 3, 1981: US04298869 (396 worldwide citation)

A plurality of light-emitting diodes are connected in series to elevate the working voltage. A plurality of said series connection are connected in parallel to maintain display even upon a disconnection accident. The total number of light-emitting diodes provides a bright and failure-safe colored li ...


4
Chin H Lu: Toners containing alkyl pyridinium compounds and their hydrates. Xerox Corporation, E O Palazzo, November 3, 1981: US04298672 (278 worldwide citation)

Disclosed is a positively charged developer comprised of a toner and an alkyl pyridinium compound and its hydrate of the formula ##STR1## wherein A is an anion selected from halides such as chlorine, bromine, iodine, sulfate, sulfonate, nitrate and borate, and R is a hydrocarbon radical containing f ...


5
Donald E Weder: Laminated printed foil flower pot wrap with multicolor appearance. Seven W Enterprises, Harvey B Jacobson, November 3, 1981: US04297811 (271 worldwide citation)

A sheet of material having a single color of ink or other printing medium applied thereto to produce a multicolor appearance. In the disclosed embodiment, the sheet material is a metallic foil, such as alluminum foil of thin flexible construction, used as a flower pot wrap with the foil being lamina ...


6
Klaus Muller, Andreas Zimmermann: Electrophoretic display. BBC Brown Boveri & Company, Oblon Fisher Spivak McClelland & Maier, November 3, 1981: US04298448 (160 worldwide citation)

An electrophoretic display including a cell having two plates spaced apart and provided at least regionally with electrodes, where at least one plate and an associated electrode facing the observer are transparent. The cell contains a suspension consisting of an inert dielectric liquid phase and a d ...


7
Adolfo Mayr, Paolo Galli, Ermanno Susa, Giovanni Di Drusco, Ettore Giachetti: Catalysts for the polymerization of olefins. Montecatini Edison S p A, November 3, 1981: US04298718 (156 worldwide citation)

Catalysts useful in the polymerization of olefins, more particularly of ethylene and mixtures thereof with higher alpha-olefins and/or diolefins, are disclosed. The new catalysts are obtained by mixing a hydride or organometallic compound of a metal belonging to Groups I to III of the Mendelyeev Per ...


8
Anthony P DiFulvio, Michael R Smith: Incubator including cover means for an analysis slide. Eastman Kodak Company, Donald D Schaper, November 3, 1981: US04298571 (147 worldwide citation)

An incubator is provided for use with a chemical analyzer of the type in which sample fluids are metered onto analysis slides which are subjected to analyses. The incubator includes a temperature-controlled chamber having a rotor mounted therein which supports slides in a plurality of slide-carrying ...


9
Glenn A Hartsell, F Thomas Bilek: Electronically controlled programmable digital thermostat. Texas Instruments Incorporated, Rene E Grossman, James Comfort, November 3, 1981: US04298946 (147 worldwide citation)

An electronic digital programmable wall thermostat system for controlling heating and cooling systems supplying an indoor area or space. The thermostat includes a digital clock, a display for displaying desired parameters of time and temperature and a data entry keyboard for programming the thermost ...


10
Maxim F Mutzhas: Radiation apparatus. Lockwood Dewey Alex & Cummings, November 3, 1981: US04298005 (142 worldwide citation)

A radiation apparatus for cosmetic, photobiological and/or photo chemical purposes containing at least one ultraviolet ray source and devices for operation for the production of the ignition voltage and operating current and a filter device for emitting rays in the region of 320 nm to 450 nm and for ...