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General Research Corp

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Active Patents
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Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3775767A Air-traffic regulating systems Expired / Lapsed 1972-01-17 1973-11-27 7 Details
US3521280A Coded labels Expired / Lapsed 1969-01-16 1970-07-21 0 Details