Today the US Patent and Trademark Office posted 20 new patents granted to Apple Inc, two of which are valuable patents related to the iPhone, iPad, and iOS. Patents like these have been becoming more important as mobile device manufacturers take each other to court.

According a report from Patently Apple, the three most noteworthy of the patents include one for integrated touch screen technology that allows the display to be “thinner, brighter and require less power” and require less parts to manufacture, another is related to the “Voicemail Manager” for iPhone, and the last appears to be related to “improved installation, retention and removal of hardware components” in Mac Pro or other tower-like personal computers.

Perhaps the most notable of the three is the “Integrated Touch Screen” patent. Below is a snippet of Apple’s summary from Patently Apple.

Apple’s Summary: The patent relates to touch sensing circuitry integrated into the display pixel stackup (i.e., the stacked material layers forming the display pixels) of a display, such as an LCD display. Circuit elements in the display pixel stackups could be grouped together to form touch sensing circuitry that senses a touch on or near the display. Touch sensing circuitry could include, for example, touch signal lines, such as drive lines and sense lines, grounding regions, and other circuitry.

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