Patent Explorer

Browse, filter, and analyze 6 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US4183884A Method for manufacturing hydrogel tubes Czech Academy of Sciences Expired / Lapsed 1976-11-01 1980-01-15 1996-11-01 0.0 yrs 11
US3861416A Heart valve Czech Academy of Sciences Expired / Lapsed 1973-01-29 1975-01-21 1993-01-29 0.0 yrs 13
US3598112A Arrangement for automatic performing and evaluating of test of the activity of functional systems of living bodies Czech Academy of Sciences Expired / Lapsed 1969-02-27 1971-08-10 1989-02-27 0.0 yrs 9
US3551556A Carriers for biologically active substances Czech Academy of Sciences Expired / Lapsed 1967-01-06 1970-12-29 1987-01-06 0.0 yrs 0
US3545430A Adjustable electrode arrangement for capacitance plethysmography Czech Academy of Sciences Expired / Lapsed 1968-03-05 1970-12-08 1988-03-05 0.0 yrs 0
US3361858A Reshaping a xerogel by mechanical removal and swelling to form a hydrogel contact lens Czech Academy of Sciences Expired / Lapsed 1965-01-07 1968-01-02 1985-01-07 0.0 yrs 2