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BURKART Manufacturing Co F

BURKART Ma
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2378642A Process of making fiber-body articles Expired / Lapsed 1941-09-02 1945-06-19 0 Details
US2373033A Smooth surface fibrous article Expired / Lapsed 1940-04-25 1945-04-03 0 Details