1
Charles Sperry
Charles R Sperry: Method and apparatus for forming foam cushions. Sealed Air Corporation, Lerner David Littenberg & Samuel, April 1, 1980: US04196160 (17 worldwide citation)

A method and apparatus is provided for forming a cushion from foam plastic material by first depositing separate masses of foam material, each having a predetermined configuration, onto a moving transfer surface at a depositing station. While the masses of material are being transferred to a forming ...


2
Hilary Koprowski, Walter U Gerhard, Carlo M Croce: Method of producing antibodies. The Wistar Institute, April 1, 1980: US04196265 (333 worldwide citation)

Continuous cell lines of genetically stable fused cell hybrids capable of producing large amounts of monoclonal antibodies against specific viruses and their antigenic determinants have been developed. The cell lines are fused cell hybrids between viral antibody producing cells and myeloma cells. Fu ...


3
Andreas Gruntzig, Hans Gleichner: Catheter arrangement, method of catheterization, and method of manufacturing a dilatation element. Schneider Medintag, Werner W Kleeman, April 1, 1980: US04195637 (235 worldwide citation)

A catheter arrangement for opening or closing hollow spaces, cavities, passages and the like comprising a guide catheter and a dilatation catheter. A dilatation element arranged at the dilatation catheter has an at least partially cylindrical foldable wall. The catheterization technique employable w ...


4
Aubry S Forman, Charles A Schultz Jr, John F Schultz: Secure SCA broadcasting system including subscriber actuated portable receiving terminals. Digital Data, Wilson Fraser Barker & Clemens, April 1, 1980: US04196310 (178 worldwide citation)

A secure information broadcasting system including a central transmitting station for encoding data in binary form utilizing a keyword and transmitting a FM-SCA signal phase shift modulated by the encoded data. Each of a plurality of portable receiving terminals has an identification number stored t ...


5
Harper J Whitehouse, Robert W Means, Edwin H Wrench Jr, Jeffrey M Speiser, Allan G Weber: TV bandwidth reduction system using a hybrid discrete cosine DPCM. The United States of America represented by the Secretary of the Navy, Richard S Sciascia, Ervin F Johnston, John Stan, April 1, 1980: US04196448 (175 worldwide citation)

An image-compression system, wherein the image consists of a planar array of data points having various brightness levels, comprises a transmitter and a receiver. The transmitter comprises an analog-digital converter, for converting input analog data into digital data. The cosine transform is taken ...


6
Richard P Kitson, Richard L Gilbert Jr, Joseph Israel: Composite nonwoven fabric comprising adjacent microfine fibers in layers. Buckeye Cellulos Corporation, Frost & Jacobs, April 1, 1980: US04196245 (165 worldwide citation)

A composite nonwoven fabric for use in disposable surgical items such as surgical gowns, surgical drapes and the like. The fabric comprises at least two hydrophobic piles of microfine fibers of a fiber diameter of up to about 10 microns and at least one nonwoven cover ply. The nonwoven cover ply may ...


7
Peter W Smith: Interferometer apparatus using electro-optic material with feedback. Bell Telephone Laboratories Incorporated, Daniel D Dubosky, April 1, 1980: US04196396 (127 worldwide citation)

A nonlinear interferometer apparatus is disclosed wherein a Fabry-Perot cavity is substantially filled with an electro-optic material having terminals to which a potential can be applied. A single frequency, single mode, linearly polarized source of optical radiation is coupled into the cavity and a ...


8
Walter A DiSalvo, Robert B Cubitt, Francis J Coury: Sanitary napkin with resilient stiffening means. International Playtex, Stewart J Fried, Jeffrey A Schwab, April 1, 1980: US04195634 (104 worldwide citation)

A sanitary napkin including a stiffening means which because of its resilient properties enables the napkin to lie flat and help it to retain a large degree of its original configuration even after it is subjected to the type of compressive forces that occur during use, is disclosed. The sanitary na ...


9
William E Buchanan, Eugene F Kiley: Information display method and apparatus for air traffic control. The Johns Hopkins University, Robert E Archibald, April 1, 1980: US04196474 (102 worldwide citation)

The invention relates to a method and apparatus for providing pilots of aircraft or the like with: information about the presence, identification and relative location of, and time to potential collision with, other aircraft, objects, and obstructions, i.e. pilot warning indicator (PWI); instruction ...


10
Larry L Anderson, Lawrence W Shumaker, Russell J Van Rens: Circuit for a power operated machine. Outboard Marine Corporation, Michael Best & Friedrich, April 1, 1980: US04195722 (94 worldwide citation)

A circuit interconnecting a source of electrical energy with a power operated machine. The circuit comprises an interlock device including a motion switch which is adapted to be removably attached to the machine operator's body. The motion switch is movable between a normally deactivated position to ...