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Dominion Oxygen Co Ltd

Dominion O

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Patent No.	Title	Status	Filing Date	Grant Date	Actions
CA496463A	Process of and apparatus for separating ternary gas mixtures	Expired / Lapsed	—	1953-09-29	Details
US2222762A	Hollow metal bodies and means for producing same	Expired / Lapsed	1938-03-30	1940-11-26	Details
US2171973A	Safety device for pressure vessels	Expired / Lapsed	1936-08-31	1939-09-05	Details
US2148234A	Pressure container and process of making same	Expired / Lapsed	1936-03-04	1939-02-21	Details
US2106496A	Method of making containers	Expired / Lapsed	1933-07-27	1938-01-25	Details