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Warner Bros Entertainment Inc

Warner Bro
Active Patents
0
Total Holdings
14

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US5474453A Scenario development system for vehicle simulators Expired / Lapsed 1993-02-17 1995-12-12 55 Details
US5366376A Driver training system and method with performance data fee… Expired / Lapsed 1992-05-22 1994-11-22 41 Details
US4960117A Rear entry booth and seat for a sit-down video game Expired / Lapsed 1989-01-13 1990-10-02 17 Details
US2876294A Magnetic record control method and circuits Expired / Lapsed 1953-10-19 1959-03-03 0 Details
US2841065A Color film printer Expired / Lapsed 1952-11-07 1958-07-01 0 Details
US2778874A Stereophonic sound system Expired / Lapsed 1953-04-06 1957-01-22 0 Details
US2558244A Apparatus for manufacturing screens Expired / Lapsed 1948-07-26 1951-06-26 0 Details
US2239532A Film tempo punch Expired / Lapsed 1938-10-24 1941-04-22 0 Details
US2145033A Camera dolly Expired / Lapsed 1935-11-22 1939-01-24 0 Details
US2064206A Composite motion picture Expired / Lapsed 1934-01-23 1936-12-15 0 Details
US2030300A Composite photography Expired / Lapsed 1933-10-25 1936-02-11 0 Details
US2008020A Focusing device for cinematographic apparatus Expired / Lapsed 1932-11-15 1935-07-16 0 Details
US2005014A Focusing device for a motion picture camera Expired / Lapsed 1932-04-19 1935-06-18 0 Details
US1979363A Revolving stage Expired / Lapsed 1932-12-27 1934-11-06 0 Details