Assignee
MARUWA ECHO CO LTD
JP·4 granted patents·147 citations·filing 1974–1991
Top patents by PatentIndex Score
4 records- 0192US3935613ADetachable luggage caster roller unitMARUWA ECHO CO LTD·Filed 1974·Granted Feb 3, 1976·59 cites·3 claims
- 0287US4054964ADetachable luggage caster rollerMARUWA ECHO CO LTD·Filed 1975·Granted Oct 25, 1977·34 cites·6 claims
- 0355US5103945ACollapsible luggageMARUWA ECHO CO LTD·Filed 1991·Granted Apr 14, 1992·32 cites·5 claims
- 0448US4655329ACollapsible luggageMARUWA ECHO CO LTD·Filed 1985·Granted Apr 7, 1987·22 cites·2 claims
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