Assignee
CALL PROCESSING INC
US·3 granted patents·2,007 citations·filing 1994–1996
Top patents by PatentIndex Score
3 records- 0195US5511114ATelephone pre-paid calling card system and methodCALL PROCESSING INC·Filed 1994·Granted Apr 23, 1996·546 cites·7 claims
- 0293US5577109APre-paid card system and methodCALL PROCESSING INC·Filed 1995·Granted Nov 19, 1996·828 cites·10 claims
- 0390US5721768APre-paid card system and methodCALL PROCESSING INC·Filed 1996·Granted Feb 24, 1998·633 cites·12 claims
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