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CAMPBELL METAL WINDOW Corp

CAMPBELL M
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2115472A Automobile air conditioning means Expired / Lapsed 1933-08-08 1938-04-26 0 Details
US1949379A Ventilating and air treating apparatus Expired / Lapsed 1932-05-10 1934-02-27 0 Details