Wallace Kirschner, Lawrence Martin Haskel: Television display control apparatus. Alpex Computer Corporation, Darby & Darby, May 31, 1977: US04026555 (284 worldwide citation)

Keyboard-controlled apparatus for producing video signals for standard television receivers includes a random access memory having a multiplicity of storage positions each of which corresponds to a preselected discrete portion of the TV raster. Data stored in the random access memory is sequentially ...

David A Redford: In situ gasification of solid hydrocarbon materials in a subterranean formation. Texaco Exploration Canada, Thomas H Whaley, Carl G Ries, Jack H Park, May 31, 1977: US04026357 (247 worldwide citation)

Solid hydrocarbon materials present in subsurface earth formation such as, for example, the coke like residue remaining in a subterranean tar sand deposit which has previously been exploited by controlled oxidation depletion, is converted to a synthesis gas composition by contacting the solid hydroc ...

Harold A Clark: Pigment-free coating compositions. Dow Corning Corporation, Norman E Lewis, May 31, 1977: US04027073 (216 worldwide citation)

An acidic dispersion of colloidal silica and hydroxylated silsesquioxane in an alcohol-water medium is coated onto solid substrates, such as acrylic lenses, to provide an abrasion resistant coating.

Kenneth O Hill, Akira Watanabe: Frequency selective interwaveguide coupler. Canadian Patents and Development, Edward Rymek, May 31, 1977: US04026632 (183 worldwide citation)

The coupler consists of an intermediate finite length waveguide located between a first and at least one second waveguide with the refractive index of the intermediate waveguide being greater than the refractive indices of the other waveguides. The intermediate waveguide further includes a structure ...

Harold A Green, John J Merianos, Alfonso N Petrocci: Randomly terminated capped polymers. Millmaster Onyx Corporation, Arthur A Jacobs, May 31, 1977: US04027020 (180 worldwide citation)

Anti-microbial polymeric quaternary ammonium compounds having linear chains which terminate in quaternary ammonium moieties, such compounds being formed by polymerization which is carried out in such a manner that the linear chains thereof are terminated in random fashion, the reaction resulting in ...

Robert E Paup, James F Blair: Automated processing of financial documents. Recognition Equipment Incorporated, John E Vandigriff, May 31, 1977: US04027142 (179 worldwide citation)

Automated processing of bank checks encoded with alphanumeric characters on the face of each check by transporting said checks as a serial constant velocity train through a processor to a sorter while at a first station generating an item control number unique to each document and at a second statio ...

George Anthony Caccoma, Paul Philip Castrucci, William Otto Druschel: Automated integrated circuit manufacturing system. International Business Machines Corporation, Wesley DeBruin, May 31, 1977: US04027246 (137 worldwide citation)

A computer controlled manufacturing system employing random access semiconductor wafer storage in the fabrication of integrated circuit devices.

John G Chubbuck: Intracranial pressure monitor. The Johns Hopkins University, Robert E Archibald, Kenneth E Darnell, May 31, 1977: US04026276 (136 worldwide citation)

Pressure monitoring apparatus implantable in the cranium to measure intracranial pressure, the apparatus comprises a passive resonant circuit having a natural frequency influenced by ambient pressure. The resonant circuit has inductance and capacitance capability for comparing the local environmenta ...

Harold A Green, John J Merianos, Alfonso N Petrocci: Anti-microbial quaternary ammonium co-polymers. Millmaster Onyx Corporation, Arthur A Jacobs, May 31, 1977: US04026945 (134 worldwide citation)

Anti-Microbial Quaternary Ammonium Co-Polymers formed by the condensation of at least two di-functional tertiary amines and a molar quantity of 1,4-dihalo-2-butene that is equal to the molar sum of the di-functional tertiary amines in the mixture.

Theodore Gottlieb: Stainless steel liner in oil well pipe. Hydril Company, William W Haefliger, May 31, 1977: US04026583 (127 worldwide citation)

An oil well pipe incorporates a corrosion-resistant, metallic liner which is intimately metallurgically bonded to the pipe bore.