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Expanded Metal Co Ltd

Expanded M
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2087573A Electrical resistance and electrical heater and method of p… Expired / Lapsed 1935-10-16 1937-07-20 0 Details
US1991935A Electrical resistance, resistance heater, and the like Expired / Lapsed 1933-03-01 1935-02-19 0 Details