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Ladd Research Industries Inc

Ladd Resea
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3789667A Fiber optic pressure detector Expired / Lapsed 1972-02-14 1974-02-05 5 Details
US3649948A Electric-pneumatic junction Expired / Lapsed 1970-04-23 1972-03-14 7 Details