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Browse, filter, and analyze 1 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US4688998A Magnetically suspended and rotated impellor pump apparatus and method ERWIN H WEDER FAMILY DECK'S PRAIRIE HISTORICAL EDUCATIONAL AND RESEARCH FOUNDATION Expired / Lapsed 1986-11-04 1987-08-25 2006-11-04 0.0 yrs 4