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| Number | Title | Issue Date |
| 8147154 | One-row keyboard and approximate typing In one aspect, the present invention comprises an apparatus for character entry on an electronic device, comprising: a keyboard with one row of keys; and an electronic display device in communication with the keyboard; wherein one or more keys on the keyboard has a ... | 04/03/2012 |
| 7758264 | One-row keyboard In one aspect, an apparatus for data entry on an electronic device, comprising: a keyboard with only one row of keys used to type letters of an alphabet; and an electronic display device in communication with the keyboard; wherein each key of the one row of keys has... | 07/20/2010 |
| 7387457 | One-row keyboard and approximate typing In one aspect, an apparatus for character entry on an electronic device, comprising: a keyboard with one row of keys; and an electronic device in communication with the keyboard; wherein one or more keys on the keyboard has a correspondence with a plurality of chara... | 06/17/2008 |