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Your search returned 122 patents.
( 370/395.51 in Current US Classification )
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Patent IDTitleDate Filed
6075788 Sonet physical layer device having ATM and PPP interfaces June 2, 1997
6049523 System and method for achieving efficient coordination of protection switching May 30, 1997
6041043 SONET path/ATM physical layer transmit/receive processor October 25, 1996
6011797 ATM communication device using interface signal of HIPPI July 17, 1997
5978374 Protocol for data communication over a point-to-multipoint passive optical network April 3, 1997
5949755 ATM emulated path protection April 12, 1996
5936957 ATM communication system with a modular structure September 13, 1996
5933426 Interface apparatus of ATM/STM coexistence network system October 2, 1996
5926478 Data transmission over a point-to-multipoint optical network April 3, 1997
5917815 Method and apparatus for converting synchronous narrowband signals into a SONET virtual tributary group for combining with broadband asynchronous transfer mode signals in an integrated telecommunications network December 29, 1995
5912891 Virtual network system February 28, 1997
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