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DE GROOT WILLIAM J

DE GROOT W
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4893635A Apparatus for performing a biopsy Expired / Lapsed 1988-06-01 1990-01-16 4 Details
US4766907A Apparatus and method for performing a biopsy and a device f… Expired / Lapsed 1986-10-15 1988-08-30 11 Details