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JOHN J NESBITT Inc

JOHN J NES
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US1919625A Automatic fire protection damper Expired / Lapsed 1930-11-01 1933-07-25 0 Details
US1898821A Fire protection mechanism for heating and ventilating units Expired / Lapsed 1930-08-02 1933-02-21 0 Details