Coulter Systems Corporation

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

  • No Technology to Display

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

  • No Recent Patents to Display

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4986211 Toning method and member for electrostatographyExpiredSep 07, 89Jan 22, 91[B05B]
4918487 Toner applicator for electrophotographic microimageryExpiredJan 23, 89Apr 17, 90[G03G]
4848094 Droplet freezing method and apparatusExpiredApr 29, 88Jul 18, 89[F25D]
4664499 Electrostatic duplicator for multicolor imageryExpiredFeb 11, 85May 12, 87[G03G]
4628367 Method and device for reading digital data in an optical mass memory system using electrophotographyExpiredJan 29, 85Dec 09, 86[H04N]
4566781 Method of apparatus for liquid developing of electrostatic images in an electrophotographic imaging system including a looped image carrierExpiredJul 01, 83Jan 28, 86[G03G]
4566042 Electrophotographic imaging apparatus by variably placing pixel elementsExpiredAug 03, 84Jan 21, 86[H04N]
4561730 Synthetic resin lens system for imaging apparatusExpiredSep 30, 82Dec 31, 85[G02B]
4538204 Corona producing method and apparatusExpiredFeb 16, 82Aug 27, 85[H01T]
4533941 Method and apparatus for half-tone reproduction of a varying tone original imageExpiredJan 14, 83Aug 06, 85[H04N]
4529650 Image transfer materialExpiredNov 02, 81Jul 16, 85[B32B]
4526357 Electro-static sheet feeding method and apparatusExpiredJan 03, 83Jul 02, 85[B65H]
4521097 Electrophotographic image recording method and apparatusExpiredSep 24, 82Jun 04, 85[G03G]
4515879 Optical mass memory system using electrophotographyExpiredApr 28, 83May 07, 85[G03G]
4510225 Electrophotographic method for producing an opaque printExpiredSep 24, 82Apr 09, 85[G03G]
4504138 Method and apparatus for developing electrostatic latent imagesExpiredOct 27, 81Mar 12, 85[G03G]
4468706 Imaging by varying the placement of elements in the pixelsExpiredFeb 13, 79Aug 28, 84[H04N]
4468707 High speed imaging of electrophotographic film by fine beam scanningExpiredMay 27, 82Aug 28, 84[H04M]
4455039 Encoded security documentExpiredJun 24, 82Jun 19, 84[B42D]
4439789 Binary scan systemExpiredApr 11, 80Mar 27, 84[H04N]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.