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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
US4325636A Interferometer with a single-mode waveguide coil Northrop Grumman Litef GmbH Expired / Lapsed 1979-01-11 1982-04-20 1999-01-11 0.0 yrs 6