Assignee
RATES TECHNOLOGY INC
US·3 granted patents·554 citations·filing 1989–1994
Top patents by PatentIndex Score
3 records- 0193US5519769AMethod and system for updating a call rating databaseRATES TECHNOLOGY INC·Filed 1994·Granted May 21, 1996·272 cites·48 claims
- 0291US5425085ALeast cost routing device for separate connection into phone lineRATES TECHNOLOGY INC·Filed 1994·Granted Jun 13, 1995·249 cites·26 claims
- 0368US4888822AApparatus and method for determining cost of telephone callsRATES TECHNOLOGY INC·Filed 1989·Granted Dec 19, 1989·33 cites·24 claims
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