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Mining Process and Patent Co

Mining Pro

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2393976A	Agitating means and method	Expired / Lapsed	1941-05-31	1946-02-05	0	Details
US2390111A	Aerating apparatus	Expired / Lapsed	1943-08-07	1945-12-04	0	Details
US2243309A	Flotation apparatus	Expired / Lapsed	1938-11-25	1941-05-27	0	Details
US2174553A	Method of classification	Expired / Lapsed	1935-10-14	1939-10-03	0	Details