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ELECTRO METALLURG CO

ELECTRO ME

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2280283A	Deep-hardening boron steels	Expired / Lapsed	1940-01-05	1942-04-21	0	Details
US2209686A	Sheared electrical steel sheet	Expired / Lapsed	1938-07-25	1940-07-30	0	Details
US2159497A	Chromium-nickel steel	Expired / Lapsed	1936-07-10	1939-05-23	0	Details
US2034278A	Laminated metal stock	Expired / Lapsed	1934-04-19	1936-03-17	0	Details