1
Wallace D Beversdorf, Lawrence R Erickson, Ian Grant: Hybridization using cytoplasmic male sterility, cytoplasmic herbicide tolerance, and herbicide tolerance from nuclear genes. University of Guelph, Burns Doane Swecker & Mathis, April 14, 1987: US04658085 (1674 worldwide citation)

The process of the present invention provides a convenient route for producing a predetermined hybrid variety of a crop which is capable of undergoing both self-pollination and cross-pollination. Cytoplasmic male sterile plants which also exhibit cytoplasmic herbicide tolerance (i.e., to a Type A he ...


2
Martin E Hellman: Software distribution system. Flehr Hohbach Test Albritton & Herbert, April 14, 1987: US04658093 (872 worldwide citation)

Software (programs, videogames, music, movies, etc.) can be authorized for use a given number of times by a base unit after which the base unit (computer, videogame base unit, record player, videorecorder or videodisk player) cannot use that software until the manufacturer sends an authorization for ...


3
Wallace D Beversdorf, Lawrence R Erickson, Ian Grant: Hybridization using cytoplasmic male sterility and herbicide tolerance from nuclear genes. University of Guelph, Burns Doane Swecker & Mathis, April 14, 1987: US04658084 (680 worldwide citation)

The process of the present invention provides a convenient route for producing a predetermined hybrid variety of a crop which is capable of undergoing both self-pollination and cross-pollination. Cytoplasmic male sterile plants which also exhibit herbicide tolerance attributable solely to nuclear ge ...


4
Youssef H Daher: Buttressing device usable in a vertebral prosthesis. Marshall O Toole Gerstein Murray & Bicknell, April 14, 1987: US04657550 (540 worldwide citation)

A device for maintaining the normal spacing between two vertebrae defining, in the vertebral column, the ends of a cavity resulting from the removal of at least a part of a vertebra comprises two bases each having means for anchorage in one of said end vertebrae; and adjustable buttressing means con ...


5
Jon C Garito, Alan G Ellman: Electrosurgical handpiece for blades, needles and forceps. Rosen Dainow & Jacobs, April 14, 1987: US04657016 (293 worldwide citation)

A handpiece adapted for use with a plurality of different electrosurgical electrodes. The handpiece comprises a collet in which a central bore for receiving adaptors and electrodes extends axially from an endface, slits for receiving the flat end of a scalpel blade extend radially from the central b ...


6
Michael T Morman: Composite nonwoven elastic web. Kimberly Clark Corporation, Joseph P Harps, April 14, 1987: US04657802 (271 worldwide citation)

A process for producing a composite nonwoven elastic web including a nonwoven elastic web joined to a fibrous nonwoven gathered web is disclosed. The process includes the steps of (a) providing a nonwoven elastic web having a relaxed unbiased length and a stretched, biased length; (b) stretching the ...


7
William J McKenna, Kenneth W Silvers, Rand B Nickerson, Russell J Welsh, Harold R Walker, Joseph A Cullity, Bohdan Stryzak: Television and market research data collection system and method. CTBA Associates, Irell & Manella, April 14, 1987: US04658290 (240 worldwide citation)

A data gathering system includes a plurality of remote units which are controlled from a central location. Each of the remote units is attached to a television receiver which is generally but not necessarily attached to a cable system. Each of the remote units can function to determine which of seve ...


8
Harold J Vinegar, Monroe H Waxman: Method for induced polarization logging. Shell Oil Company, April 14, 1987: US04658215 (231 worldwide citation)

An induced polarization tool using focused electrodes that uses direct coupling in the focusing loop to prevent spurious phase shifts. The invention uses a differential-in differential-out amplifier and voltage-controlled resistances to provide zero potential difference between pairs of monitoring e ...


9
Martyn S Abbott: Infusion pump with disposable cassette. Quest Medical, Roger C Clapp, April 14, 1987: US04657490 (226 worldwide citation)

An infusion pump incorporates a cassette formed by bonding of two substantially flat sheets. The fluid to be infused to the patient comes into contact only with the cassette. The cassette includes first and second flexible sheets which define a pumping chamber therebetween. The infusion pump is prov ...


10
Julia S Rasor, Ernest G Tickner: Microbubble precursors and apparatus for their production and use. Schering Aktiengesellschaft, Millen & White, April 14, 1987: US04657756 (219 worldwide citation)

Microbubbles are formed in a liquid, e.g., blood in order to alter the transmission characteristics thereof to electromagnetic and sonic waves transmitted therethrough, by dissolving therein a solid particulate material, preferably as a suspension in a carrier liquid in which the particulate materia ...