1
Franz Sutter, Fritz Straumann: Device comprising a plate and screws for fastening a plate to a bone. Institut Straumann, Michael J Striker, June 21, 1983: US04388921 (332 worldwide citation)

A plate bearing against a bone has a number of clearance holes with sleeves. Openings provided in the sleeves include each a section diverging away from the bone and bounded by a conical surface. The sleeves are subdivided into tongues by means of slots cut into the free face of the collar. A screw ...


2
Joseph M Schor, Ashok Nigalaye, Norman G Gaylord: Sustained release therapeutic compositions based on high molecular weight hydroxypropylmethylcellulose. Forest Laboratories, Jacobs & Jacobs, June 21, 1983: US04389393 (307 worldwide citation)

A carrier base material combined with a therapeutically active medicament and shaped and compressed to a solid unit dosage form having a regular and prolonged release pattern upon administration, the carrier base material being one or more hydroxypropylmethylcelluloses or a mixture of one or more hy ...


3
Yoshikazu Hori, Komei Asai, Masakazu Fukai: Image display apparatus of liquid crystal valve projection type. Matsushita Electric Industrial, Stevens Davis Miller & Mosher, June 21, 1983: US04389096 (277 worldwide citation)

A liquid crystal light valve projection type image display apparatus comprises an electro-optic element and a Schlieren optical system. The electro-optic element has a liquid crystal layer having a dielectric and optical anisotropy. An electric field having a spatial intensity distribution according ...


4
Thomas R Tice, Danny H Lewis: Microencapsulation process. Stolle Research and Development Corporation, Oblon Fisher Spivak McClelland & Maier, June 21, 1983: US04389330 (269 worldwide citation)

Microcapsules laden with an active agent are prepared by a method comprising: (a) dissolving or dispersing an active agent in a solvent and dissolving a wall forming material in said solvent; (b) dispersing said solvent containing said active agent and wall forming material in a continuous-phase pro ...


5
Ronald S Posner, Charles R Burr Jr, David K Campbell: Digitally-controlled analog encrypton. Harris Corporation, Antonelli Terry & Wands, June 21, 1983: US04389671 (190 worldwide citation)

An apparatus for scrambling a television signal in which horizontal lines of the transmitted television picture are selectively inverted in accordance with the state of a pseudorandom noise generator. In order to permit correction of the throughput gain as well as the throughput offset at the receiv ...


6
Howard R Weissman, Joseph Mantel: Method for laser depilation. Krass Young & Schivley, June 21, 1983: US04388924 (167 worldwide citation)

The roots of human hairs of a patient are devitalized using high intensity, short duration pulses of light having wavelengths with respect to which the skin of the patient is non-absorbative and the hair of the patient is relatively absorbative. A narrow, focused beam of the light is aimed at the ep ...


7
Kazuyoshi Suda, Akira Fujimura, Kiyoshi Tsuda: Flat-article sorting apparatus. Nippon Electric, Sughrue Mion Zinn Macpeak and Seas, June 21, 1983: US04388994 (148 worldwide citation)

A mail sorter has a sort code reader which sequentially reads the sort codes on each piece of mail, a processor for determining the order in which the mail is to be sorted, primary sort storages, and secondary sort storages. After the sort codes are read and processed, the mail is first sorted into ...


8
Anil Telang: Suction canister system for serial collection of fluids. Becton Dickinson and Company, Richard J Rodrick, June 21, 1983: US04388922 (135 worldwide citation)

A suction canister system for serial collection of fluids comprises a plurality of canisters for collecting fluids. The canisters are in fluid communication with each other so that a vacuum may be applied to the interior of the canisters simultaneously in a parallel-path connection. The fluid connec ...


9
Marian I Ionescu, Jay A Lenker, Robert F Rosenbluth, Louis Seiler Jr: Low profile prosthetic xenograft heart valve. Shiley, Knobbe Martens, June 21, 1983: US04388735 (129 worldwide citation)

Prosthetic heart valves comprising an annular, right cylindrical, metal stent covered with fabric to which a glutaraldehyde-stabilized pericardial valving element formed of three leaflets, each having a plateau on a truncated triangle extending higher at the center than at the edges, and formed as a ...


10
Costantino Vinciguerra, Giampaolo Bonfiglioli: Method for the sealtight jointing of a flanged sleeve to a pipeline, especially for repairing subsea pipelines laid on very deep sea bottoms. Nuovo Pignone S p A, Snam S p A, George P Hoare Jr, June 21, 1983: US04388752 (123 worldwide citation)

A method for connecting in a sealtight manner a flanged sleeve to a pipe, especially for subsea gas and oil ducts, comprises the steps of introducing the free end of the pipe into the flanged sleeve with a clearance, expanding the pipe within the sleeve with the aid of a resilient expansible body wh ...



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