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Kovalus Separation Solutions LLC

Kovalus Se
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3687129A Contraceptive device and method of employing same Expired / Lapsed 1970-10-02 1972-08-29 41 Details
US3536611A Membrane device and method Expired / Lapsed 1967-02-06 1970-10-27 0 Details