By Eric Gardner


As production companies and exhibitors continue to bicker over the cost of the specs, Sony touts in a patent filing one advance in the industry-wide effort to make the glasses disappear forever.

Last week, Sony Pictures and theatrical exhibitors broke into a fight over who would pick up the tab for 3D glasses on Men in Black 3. The film studio eventually backed down after executives at Regal and Cinemark were adamant about not paying 3D technology vendors like RealD.

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