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EMI Group Ltd

EMI Group
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2866182A Closed-circuit television systems Expired / Lapsed 1957-08-14 1958-12-23 0 Details
US2866133A Electric lamp circuit Expired / Lapsed 1954-07-02 1958-12-23 0 Details