§
Luxuse
Patent Intelligence
Sign In
← Back to Companies

INTERNAT ENGINEERING CORP

INTERNAT E
Active Patents
0
Total Holdings
2

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US2180580A Control system Expired / Lapsed 1938-01-03 1939-11-21 0 Details
US2168680A Control system for heating plants Expired / Lapsed 1936-01-02 1939-08-08 0 Details