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| Number | Title | Issue Date |
| 6016307 | Multi-protocol telecommunications routing optimization A telecommunications switching system employing multi-protocol routing optimization which utilizes predetermined and measured parameters in accordance with a set of user priorities in determining the selection of a telecommunications path to be utilized f... | 01/18/2000 |
| 5953882 | Supportless dasher board A dasher board assembly having a U-shaped channel for receiving a shielding panel, and a rotatable cam co-operating with the channel to releasably clamp the shielding panel to the channel.... | 09/21/1999 |