Assignee
VSIS INC
US·2 granted patents·84 citations·filing 1999–1999
Technology mixG01S2
Top patents by PatentIndex Score
2 records- 0171US6169958B1Ionospheric correction for single frequency GPS receivers using three satellitesVSIS INC·Filed 1999·Granted Jan 2, 2001·74 cites·9 claims
- 0232US6163295AIonospheric correction for single frequency GPS receivers using two satellitesVSIS INC·Filed 1999·Granted Dec 19, 2000·10 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →