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Hydril LLC

Hydril LLC
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4111047A Hydrostatic head pressure monitor with remote readout Expired / Lapsed 1977-01-12 1978-09-05 11 Details
US3339632A Underwater connector Expired / Lapsed 1964-01-21 1967-09-05 2 Details