Assignee

AMERICAN NAVIGATION SYSTEMS IN

US·1 granted patent·376 citations·filing 1997–1997

Technology mixG01C1 G01S1 G09B1 Y10S1

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0191US5902347AHand-held GPS-mapping deviceAMERICAN NAVIGATION SYSTEMS IN·Filed 1997·Granted May 11, 1999·376 cites·18 claims

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