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 (393 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.

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 (265 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 ...

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 (264 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 ...

Brooks W Taylor, Thomas E Walsh: Console/lamp unit coordination and communication in lighting systems. Vari Lite, Morgan & Finnegan, April 23, 1991: US05010459 (227 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 (219 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 (218 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 ...

Harry Reich, Peter Koch: Self-retaining electrically insulative trocar sleeve and trocar. Richard Wolf Medical Instruments, Hill Van Santen Steadman & Simpson, April 23, 1991: US05009643 (211 worldwide citation)

A trocar sleeve characterized by an annular flange adjacent a proximal end, a disc-shaped annular stop spaced from the annular flange in a distal direction and helically extending thread extending from said annular disc-shaped stop toward the distal end to prevent the removal of the sleeve from a pu ...

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 (209 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 ...

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