Assignee

FONTAINE SOC

FR·2 granted patents·75 citations·filing 1987–1987

Technology mixG06K2 B61L1 G07C1

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2 records

0161US4893118ADevice for identification by proximityFONTAINE SOC·Filed 1987·Granted Jan 9, 1990·59 cites·4 claims
0251US4857913ACoded objects identifiable by proximity and devices for changing the codes of these objectsFONTAINE SOC·Filed 1987·Granted Aug 15, 1989·16 cites·4 claims

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