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BRITISH RADIOSTAT Corp Ltd

BRITISH RA
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US1889293A Wave signaling system Expired / Lapsed 1929-07-30 1932-11-29 0 Details
US1878891A Electrooptical apparatus Expired / Lapsed 1929-11-18 1932-09-20 0 Details
US1854066A Wireless signaling system Expired / Lapsed 1929-09-12 1932-04-12 0 Details