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UI Technologies Sues Ricoma International for Infringing on UV Printer Toner Technology Patents

Referencing a “clear fluorescent toner . . . only visible under an ultraviolet light,” UI Technologies, Inc., and UI Digital Inc., say they own “patents that broadly cover conversion of cartridges and printers to print in colors other than that which are standard for the printer, and for allowing printers to over print, under print,…

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