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Internat Telephone & Radio Manufacturing

Internat T
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Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2294881A High frequency impedance unit Expired / Lapsed 1939-08-03 1942-09-08 0 Details
US2283620A High frequency energy distribution system Expired / Lapsed 1941-03-01 1942-05-19 0 Details