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CIE GENERALE DE T S F

CIE GENERA
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2600509A Traveling wave tube Expired / Lapsed 1948-07-15 1952-06-17 0 Details
US2559279A Manufacture of electroluminescent screens Expired / Lapsed 1948-02-27 1951-07-03 2 Details
US2506198A Continuously moving film projecting device for moving pictu… Expired / Lapsed 1947-06-17 1950-05-02 0 Details