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US09509815B2 Ergonomic case for a hand-held electronic device 有权
符合人体工程学的手提电子设备

Ergonomic case for a hand-held electronic device
Abstract:
A protective ergonomic case for a device, such as a smartphone, a tablet, etc. is provided that includes a bottom surface with a valley sized and shaped to receive one or two fingers of a user. The fingers in the valley provide support for the case and the device while the device is operated by the user with his other hand.
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