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United States Utility Patents
5,031,200 - 5,031,209

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NumberTitle
5,031,200 Cathode for an X-ray tube and a tube including such a cathode
5,031,201 Rotating X-ray tube anticathode
5,031,202 Tower stand cooperating with a patient table for X-ray or similar examination
5,031,203 Coaxial laser targeting device for use with x-ray equipment and surgical drill equipment during surgical procedures
5,031,204 Interactive diagnostic system for cellular telephones
5,031,205 Auto response phone system
5,031,206 Method and apparatus for identifying words entered on DTMF pushbuttons
5,031,207 Method of establishing a data link between a pair of terminals as well as a terminal which is suitable for implementing this method
5,031,208 Data communication system and apparatus for transmitting data on a line and interrupting data transmission when an accounting pulse is detected on the line
5,031,209 Automatic meter reader with microcomputer control system



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