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Your search returned 248 patents.
( 370/222 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 6594232 | Transmitter-based path protection switching in a ring network
| June 2, 1999 |
| 6577594 | Telecommunications system
| June 4, 1999 |
| 6567194 | Optical communication network and protection methods
| August 17, 1999 |
| 1 2 3 |
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