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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Application No. | Application Title | Issue Date |
| 20090197596 | SIP CLIENT-BASED LOCAL NUMBER PORTABILITY THROUGH AN AIRCRAFT AIR-TO-GROUND LINK The SIP Number Portability System disables the cellular radios in the wireless device and enables a WiFi 802.11 protocol-based radio. In the airborne mode, it activates a call forwarding registration process which has calls to the subscriber's publicly available phone n... | 08/06/2009 |
