71
Mark Magidson, Otto L Huber: Disposable filter respirator with inner molded face flange. Moldex Metric Products, Charles H Schwartz, Ellsworth R Roston, October 17, 1989: US04873972 (72 worldwide citation)

A filter respirator forming a face mask to be worn upon the face of a user including a support layer of flexible material. The support layer is molded to conform to the contours of the face of the user and forms a flexible support layer for filter material. A separate layer of filter material filter ...


72
Alan W Lafever: Shoe sole with retractable cleats. Universal Plastics Incorporated, Fleit Jacobson Cohn Price Holman & Stern, October 17, 1989: US04873774 (71 worldwide citation)

A show sole is provided with one or more chambers therein. A piston-like cleat plate is fitted for vertical movement in each chamber. Cleats are fitted to the cleat plates, and openings are provided in the chamber bottom for permitting the cleats to pass therethrough when extended. The cleat plates ...


73
Kei Kurosawa: Method for manufacturing an electrical connection between conductor levels. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt, October 17, 1989: US04874719 (70 worldwide citation)

Disclosed is a method for making connection between conductor layers through a contact via comprising the steps of (a) forming a first conductive pattern on a semiconductor substrate, (b) forming an insulation interlayer so that it covers the first conductive pattern, (c) forming, on the insulation ...


74
Robert K Nichols, Gary A Roediger: High bandwidth interleaved buffer memory and control. American Telephone and Telegraph Comopany AT&T Bell Laboratories, Werner Ulrich, October 17, 1989: US04875206 (70 worldwide citation)

A high capacity metropolitan area network (MAN) is described. Data traffic from users is connected to data concentrators at the edge of the network, and is transmitted over fiber optic data links to a hub where the data is switched. The hub includes a plurality of data switching modules, each having ...


75

76
John W Palmour: Metal-insulator-semiconductor capacitor formed on silicon carbide. North Carolina State University, Bell Seltzer Park & Gibson, October 17, 1989: US04875083 (68 worldwide citation)

The invention comprises a metal-oxide-semiconductor (MOS) capacitor formed on silicon carbide. By utilizing new techniques for obtaining single crystals and monocrystalline thin films of silicon carbide, and by positioning the ohmic contact and the metal contact on a common side of the silicon carbi ...


77
James L Iskiyan, Vernon J Legvold, Peter L H Leung, Guy E Martin: Peripheral subsystem having read/write cache with record access. International Business Machines Corporation, G E Clark, H F Somermeyer, October 17, 1989: US04875155 (68 worldwide citation)

Data is accessed by record identification in a peripheral sub-system having cache and back store to transfer the most recently updated version of one or more records stored in the subsystem where one version of a record may be in a back store and a modified version of the record may be in a cache st ...


78
Robert C Southard: Press fit gun cradle for firearm maintenance and repair. Stephen D Carver, October 17, 1989: US04873777 (66 worldwide citation)

A cradle-like gun cradle for firearms frictionally, firmly receives long guns such as rifles or shotguns, which are press fitted into opposed grooves against compression and friction forces from one or more leather straps. In the best mode a rigid, generally planar base supported by a pair of spaced ...


79
Masahiko Sato, Toshimitsu Konuma, Seiichi Odaka, Toshiharu Yamaguchi, Toshio Watanabe, Osamu Aoyagi, Kaoru Tabata, Chizuru Isigaki, Hiroyuki Sakayori, Ippei Kobayashi, Akio Osabe, Shunpei Yamazaki: Method for manufacturing liquid crystal device with spacers formed by photolithography. Semiconductor Energy Laboratory, Gerald J Ferguson Jr, October 17, 1989: US04874461 (66 worldwide citation)

An improved liquid crystal device and manufacturing method for same are described. In the device, a pair of substrates, between which a liquid crystal layer is disposed, is joined with pillars inbetween functioning as spacers which are provided of photocurable resin by photolithography. With this st ...


80
William D Wallace: Disposable apparatus for monitoring intrauterine pressure and fetal heart rate. Utah Medical Products, Workman Nydegger Jensen, October 17, 1989: US04873986 (66 worldwide citation)

A disposable apparatus for monitoring intrauterine pressure and fetal heart rate during labor and childbirth. The apparatus includes a semiconductor pressure transducer mounted on a substrate. In one embodiment, the substrate is secured within a flexible boot adapted to allow the pressure pulses pre ...