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Browse, filter, and analyze 3 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US3597549B1 US3597549B1 - - Google Patents WILLEMIJN HOUDSTERMAATSCHAPPIJ BV A CORP OF NETHERLANDS Expired / Lapsed 1969-07-17 1983-12-06 1989-07-17 0.0 yrs 0
US3597549A High speed data communication system WILLEMIJN HOUDSTERMAATSCHAPPIJ BV A CORP OF NETHERLANDS Expired / Lapsed 1969-07-17 1971-08-03 1989-07-17 0.0 yrs 19
US3593290A Round robin data station selective calling system WILLEMIJN HOUDSTERMAATSCHAPPIJ BV A CORP OF NETHERLANDS Expired / Lapsed 1969-07-17 1971-07-13 1989-07-17 0.0 yrs 12