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Frederic Stahl

Frederic S
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
FR60901E Electrochemical generator Expired / Lapsed 1948-08-18 1955-02-21 0 Details
FR1078903A Electrochemical generator Expired / Lapsed 1948-01-29 1954-11-24 0 Details