The three new iPhone models unveiled by Apple last Wednesday each carry an IP68 rating allowing them to be submerged in water as deep as nearly 5-feet for as long as 30 minutes. In addition, Apple says that the glass used on the devices is the most durable glass ever used on a smartphone. That might be enough to satisfy iPhone owners for now, but Apple isn't standing still. A patent application filed with the USPTO in March, 2017 reveals that the company is working on an abrasion-resistant finish that can protect the device from dents and scratches.

The patent application ...


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