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General Radio Co

General Ra
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2374248A Pulse-integrating circuit Expired / Lapsed 1941-12-02 1945-04-24 0 Details
US1944315A Electric system and method Expired / Lapsed 1931-10-22 1934-01-23 0 Details