Assignee
GLOBAL RESEARCH SYSTEMS INC
US·4 granted patents·1,116 citations·filing 1993–1995
Technology mixG08G4
Top patents by PatentIndex Score
4 records- 0193US5623260AAdvance notification system and method utilizing passenger-definable notification time periodGLOBAL RESEARCH SYSTEMS INC·Filed 1995·Granted Apr 22, 1997·327 cites·16 claims
- 0292US5400020AAdvance notification system and methodGLOBAL RESEARCH SYSTEMS INC·Filed 1993·Granted Mar 21, 1995·405 cites·24 claims
- 0387US5657010AAdvance notification system and method utilizing vehicle progress report generatorGLOBAL RESEARCH SYSTEMS INC·Filed 1995·Granted Aug 12, 1997·206 cites·15 claims
- 0484US5668543AAdvance notification system and method utilizing passenger calling report generatorGLOBAL RESEARCH SYSTEMS INC·Filed 1995·Granted Sep 16, 1997·178 cites·80 claims
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