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| US7227536 | 28 avr. 2003 | 5 juin 2007 | Research In Motion Limited | Hand-held electronic device with a keyboard optimized for use with the thumbs |
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| US7439959 | 30 juil. 2004 | 21 oct. 2008 | Research In Motion Limited | Key arrangement for a keyboard |
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| US7629964 | 26 avr. 2007 | 8 déc. 2009 | Research In Motion Limited | Hand-held electronic device with a keyboard optimized for use with the thumbs |
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| US7819598 | 1 sept. 2005 | 26 oct. 2010 | Research In Motion Limited | Keyboard arrangement |
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| US7938589 | 30 juin 2006 | 10 mai 2011 | Research In Motion Limited | Keyboard arrangement |
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| US8107996 | 21 déc. 2010 | 31 janv. 2012 | Research In Motion Limited | Handheld mobile communication device |
| US8144135 | 5 mai 2011 | 27 mars 2012 | Research In Motion Limited | Hand-held electronic device with multiple input mode thumbwheel |
| US8219158 | 6 févr. 2007 | 10 juil. 2012 | Research In Motion Limited | Handheld wireless communication device |
| US8259074 | 29 août 2008 | 4 sept. 2012 | Research In Motion Limited | Key arrangement for a keyboard |
| US8271036 | 6 févr. 2007 | 18 sept. 2012 | Research In Motion Limited | Handheld wireless communication device |
| US8350728 | 23 avr. 2010 | 8 janv. 2013 | Hewlett-Packard Development Company, L.P. | Keyboard with integrated and numeric keypad |
| US8373663 | 16 mars 2009 | 12 févr. 2013 | Hewlett-Packard Development Company, L.P. | Small form-factor keypad for mobile computing devices |
| USRE40157 | 16 juin 2004 | 25 mars 2008 | Research In Motion Limited | Hand-held electronic device |