1
Raymond O Bodicky, Ronald W Ausherman: Lancet injector. Sherwood Medical Company, Andrew J Beck, Montgomery W Smith, Richard D Allison, January 23, 1990: US04895147 (372 worldwide citation)

An improved lancet injector is provided which includes an elongate tubular housing, a penetration depth selector thereon, a moveable lancet guide in the housing and a compressible spring in the housing connected between the lancet guide and one end of the housing. The lancet guide further including ...


2
F Barry Bays, Arthur F Trott, Sam R Marchand: Method of joining torn parts of bodily tissue in vivo with a biodegradable tack member. Concept, Epstein Edell & Retzer, January 23, 1990: US04895148 (371 worldwide citation)

A method for repairing in vivo torn cartilaginous or other bodily tissue, particularly torn meniscus tissue during arthroscopic surgery, employs a repair tack of biodegradable material chosen to have a degradation time in excess of the required healing time for the tissue. The repair tack has a shaf ...


3
Ramachandran Radhakrishnan, Paul J Mihalko, Robert M Abra: Method and apparatus for administering dehydrated liposomes by inhalation. Liposome Technology, Peter J Dehlinger, January 23, 1990: US04895719 (267 worldwide citation)

A system and method for administering a drug, at a selected dose, via the respiratory tract. Spray-dried liposome particles containing the selected dose of the entrapped drug are released into the air in aerosolized form, either by entrainment in an air or propellant stream, or by release from a pre ...


4
Donald G Chandler, Eric P Batterman, Govind Shah: Polygonal information encoding article, process and system. United Parcel Service of America, James A Drobile, Raymond G Arner, January 23, 1990: US04896029 (253 worldwide citation)

The article of the invention is an optically readable label for storing encoded information, said label comprising a data array of a multiplicity of information-encoded polygons arranged in a predetermined geometric pattern, and said polygons having at least two different optical properties. A proce ...


5
Ernest H Price: Pulsed in situ exothermic shock wave and retorting process for hydrocarbon recovery and detoxification of selected wastes. Dennis T Griggs, January 23, 1990: US04895206 (252 worldwide citation)

An active combustion zone is established in situ within a permeable hydrocarbon formation. The permeable formation is periodically charged with a combustible gas, and is thereafter subjected to a high pressure pulse produced by detonation of the combustible gas within an injection well. The periodic ...


6
Richard A Hillstead: Medical instrument valve. Cordis Corporation, Gerstman & Ellis, January 23, 1990: US04895565 (248 worldwide citation)

A hemostasis valve is provided for catheters or the like, comprising an elastomeric partition valve secured in a housing. A linear slit extends through the partition valve between the major faces thereof. By this invention, the partition of the valve has at least one concave face through which the s ...


7
Gary J Swanson, Wilfrid B Veldkamp: High-efficiency, multilevel, diffractive optical elements. Massachusetts Institute of Technology, Fish & Richardson, January 23, 1990: US04895790 (243 worldwide citation)

The method utilizes high resolution lithography, mask aligning, and reactive ion etching. In particular, at least two binary amplitude masks are generated. A photoresist layer on an optical element substrate is exposed through the first mask and then etched. The process is then repeated for the seco ...


8
Yukio Wayama, Naoto Miyajima, Michio Shinozaki, Kazunari Yashima: Emulation device for converting magnetic disc memory mode signal from computer into semiconductor memory access mode signal for semiconductor memory. Kabushiki Kaisha Meidensha, Foley & Lardner Schwartz Jeffery Schwaab Mack Blumenthal & Evans, January 23, 1990: US04896262 (198 worldwide citation)

A semiconductor backing storage device is connected to a computer system accessible only in magnetic disc access mode for improvement in access time. In transferring information data between the computers and the semiconductor backing storage device, access control command signals peculiar to magnet ...


9
Robert Wang: Magnetic separation rack for diagnostic assays. Gen Probe Incorporated, Lyon & Lyon, January 23, 1990: US04895650 (191 worldwide citation)

A magnetic separation rack and method for separating magnetically attractable particles used in an assay technique such as a heterogeneous diagnostic assay. The rack has a plurality of test tubes holders and a series of magnets positioned so that each test tube has one and only one magnetic immediat ...


10
Thomas D Pawlowski: Gas permeable microwave reactive package. James River Corporation, Sixbey Friedman Leedom & Ferguson, January 23, 1990: US04896009 (176 worldwide citation)

A disposable microwave browning and crisping package having a flat substrate and a microwave reactive layer affixed over one surface of said substrate, the microwave interactive layer, when subjected to microwave energy, converting microwave energy to heat in an amount sufficient to brown and crisp ...



Click the thumbnails below to visualize the patent trend.