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ILLINOIS ENGINEERING Co

ILLINOIS E
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2239444A Humidifying apparatus Expired / Lapsed 1939-09-08 1941-04-22 0 Details
US2134257A Pressure regulator Expired / Lapsed 1936-02-15 1938-10-25 0 Details