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RPX Corp

RPX Corp
Active Patents
0
Total Holdings
5

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US6554707B1 Interactive voice, wireless game system using predictive co… Expired / Lapsed 1999-09-24 2003-04-29 15 Details
US6424843B1 Multi-function telecommunication device Expired / Lapsed 1998-04-22 2002-07-23 19 Details
US6182079B1 Specifying indexes by evaluating costs savings for improvin… Expired / Lapsed 1996-12-16 2001-01-30 34 Details
US5774526A Reconfigurable on-demand telephone and data line system Expired / Lapsed 1996-07-17 1998-06-30 72 Details
US5438355A Interactive system for processing viewer responses to telev… Expired / Lapsed 1993-04-16 1995-08-01 14 Details