Diagnostic Information, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1120

Top Patents (by citation)

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE31691 Panel type x-ray image intensifier tube and radiographic camera systemAug 29, 80Oct 02, 84[H01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4,447,721 Panel type X-ray image intensifier tube and radiographic camera systemExpiredJul 31, 81May 08, 84[H01J]
4,426,721 X-ray intensifier detector system for x-ray electronic radiographyExpiredOct 07, 80Jan 17, 84[G03B]
4,315,183 Support structure for high voltage substrateExpiredJun 14, 79Feb 09, 82[H01J]
4,300,046 Panel type X-ray image intensifier tube and radiographic camera systemExpiredAug 31, 79Nov 10, 81[G03B]
4,255,666 Two stage, panel type x-ray image intensifier tubeExpiredMar 07, 79Mar 10, 81[G01T, H01J]
4,221,967 Gamma ray cameraExpiredMar 10, 78Sep 09, 80[G01T, H01J]
4,208,577 X-ray tube having scintillator-photocathode segments aligned with phosphor segments of its display screenExpiredAug 10, 78Jun 17, 80[H01J]
4,186,302 Panel type X-ray image intensifier tube and radiographic camera systemExpiredJul 12, 78Jan 29, 80[H01J]

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