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Inventor
PANG SUZANNE MAN
HK
2 patents
Patents
2 patents
US7582839B2
Sep 1, 2009
Backlighted key for a keypad of an electronic device
RESEARCH IN MOTION LTD
28 citations
87
US7977593B2
Jul 12, 2011
Backlighted key for a keypad of an electronic device
RESEARCH IN MOTION LTD
4 citations
57