| Automatic patent import | restored patent family numbers as initially declared | Automatic patent import | Declaration submission | Manual patent holder change | modification on not yet submitted declaration (reference:) |
| US201113108443 | US201113108443 | US201113108443 | US201113108443 | US201113108443 | US201113108443 |
| 16/05/2011 | 16/05/2011 | 16/05/2011 | 16/05/2011 | 16/05/2011 | 16/05/2011 |
| US2011216808 A1 08/09/2011 | US2011216808 A1 08/09/2011 | US8325836 B2 04/12/2012 US2011216808 A1 08/09/2011 | US8325836 B2 04/12/2012 US2011216808 A1 08/09/2011 | US8325836 B2 04/12/2012 US2011216808 A1 08/09/2011 | US8325836 B2 04/12/2012 US2011216808 A1 08/09/2011 |
| SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS | SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS |
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| UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES |
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| NORTEL NETWORKS LTD [CA] | NORTEL NETWORKS LTD [CA] | RESEARCH IN MOTION LTD [CA] | RESEARCH IN MOTION LTD [CA] | Research in Motion Limited | Research in Motion Limited |
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