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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US4759348A Endoscope assembly and surgical instrument for use therewith Circon Corp Expired / Lapsed 1981-09-28 1988-07-26 2001-09-28 0.0 yrs 28
US4669172A Method for fabrication of flexible shaft Circon Corp Expired / Lapsed 1985-11-20 1987-06-02 2005-11-20 0.0 yrs 11
US4530568A Flexible optical inspection system Circon Corp Expired / Lapsed 1982-11-19 1985-07-23 2002-11-19 0.0 yrs 13
US4474174A Surgical instrument for an endoscope Circon Corp Expired / Lapsed 1983-02-23 1984-10-02 2003-02-23 0.0 yrs 26
US4207873A Endoscope deflection control Circon Corp Expired / Lapsed 1977-05-16 1980-06-17 1997-05-16 0.0 yrs 24
US4072147A Radiation endoscope Circon Corp Expired / Lapsed 1976-03-04 1978-02-07 1996-03-04 0.0 yrs 9
US3939839A Resectoscope and electrode therefor Circon Corp Expired / Lapsed 1974-06-26 1976-02-24 1994-06-26 0.0 yrs 25
US3788303A Orthogonally deflectable endoscope Circon Corp Expired / Lapsed 1972-01-24 1974-01-29 1992-01-24 0.0 yrs 9