Ron D Katznelson: Metering retrieval of encrypted data stored in customer data retrieval terminal. Titan Linkabit Corporation, Cable Home Communication Corporation, Edward W Callan, April 23, 1991: US05010571 (394 worldwide citation)

A system for controlling and accounting for retrieval of data from a CD-ROM memory containing encrypted data files from which retrieval must be authorized. The system includes an authorization and key distribution terminal and a plurality of customer data retrieval terminals having such memories loa ...

Harry G Reimels: Bipolar electrosurgical instrument. Mentor O&O, Fish & Richardson, April 23, 1991: US05009656 (347 worldwide citation)

A surgical instrument of the kind which is adapted to operate using bipolar energizing potential comprises a pair of adjacently disposed, elongated electrodes that receive the bipolar potential, and an electrical insulator disposed between the electrodes. The insulator terminates proximally of dista ...

Gary K Michelson: Protective mechanism for surgical rongeurs. Lewis Anten, April 23, 1991: US05009661 (320 worldwide citation)

A protective spring mechanism is employed to protect the jaws of a surgical rongeur, thereby protecting the fragile parts of the activating mechanism from excessive peak loads and preventing breakage.

David D Goodman, Robert Domnitz: Video transmission and control system utilizing internal telephone lines. Inline Connection Corporation, Sughrue Mion Zinn Macpeak & Seas, April 23, 1991: US05010399 (273 worldwide citation)

A video transmission system for facilitating transmission of video and control signals, particularly infrared remote control signals, between different locations in a residence using existing telephone wiring. Simultaneous transmission of signals of both types over active telephone lines is possible ...

William J Rutter, Daniel V Santi: General method for producing and selecting peptides with specific properties. The Regents of the University of California, Irell & Manella, April 23, 1991: US05010175 (268 worldwide citation)

A method to obtain selected individual peptides or families thereof which have a target property and optionally to determine the amino acid sequence of a selected peptide or peptides to permit synthesis in practical quantities is disclosed. In general outline, the method of the invention comprises s ...

Brooks W Taylor, Thomas E Walsh: Console/lamp unit coordination and communication in lighting systems. Vari Lite, Morgan & Finnegan, April 23, 1991: US05010459 (229 worldwide citation)

A stage lighting system has a plurality of automated lamp units which can vary the parameters of a light beam for pan, tilt, brightness, intensity and size. A control console is connected to each of the lamp units via a bidirectional data link. A communication system provides for the exchange of inf ...

Robert N Hamlin, Rick L Shockey, Robert A V Tassel: Fiber tip atherectomy catheter. Schneider, Haugen and Nikolai, April 23, 1991: US05009659 (226 worldwide citation)

A catheter assembly especially designed for the performance of atherectomy procedures which include an elongated flexible plastic tube which can be routed through the vascular system to the location of the atheroma to be removed and a working catheter insertable through the guide catheter in the for ...

Steven T Bigari: Apparatus, system and method for creating credit vouchers usable at point of purchase stations. JBH Ventures, Timothy J Martin, April 23, 1991: US05010485 (223 worldwide citation)

Apparatus, system and method are provided for processing charge vouchers against charge card accounts administered by a host institution that issues an approval/disapproval to a merchant for a proposed transaction. The apparatus is processor based and broadly includes a keyboard input having command ...

Ronald W Wortley, David C Beattie: Dual-lumen catheter apparatus and method. The Kendall Company, Workman Nydegger & Jensen, April 23, 1991: US05009636 (217 worldwide citation)

A dual lumen catheter apparatus and method. The apparatus has an elongated catheter body adapted for insertion into a vein or a fluid-containing body cavity of a patient such as the right atrium of a heart. The catheter body has a septum that runs longitudinally through the interior of the catheter ...

Karl F Mueller: Reactive silicone and/or fluorine containing hydrophilic prepolymers and polymers thereof. Ciba Geigy Corporation, Luther A R Hall, April 23, 1991: US05010141 (214 worldwide citation)

Vinyl unsaturated copolymers are described which are obtained in a two-step process and which consist of monomeric units A, B, C, D and E, copolymerized in a first step, and in a second step reacted with a reactive vinyl monomer M.sub.v, and in which A is a siloxane or fluorine containing vinyl mono ...