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Heyer Schulte Corp

Heyer Schu
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3882855A Retractor for soft tissue for example brain tissue Expired / Lapsed 1973-11-12 1975-05-13 13 Details
US3827439A Plug valve for physiological shunt systems Expired / Lapsed 1972-10-30 1974-08-06 21 Details