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STEEL AND TUBES Inc

STEEL AND

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2124579A	Method of and apparatus for testing metallic articles	Expired / Lapsed	1937-01-30	1938-07-26	0	Details
US2065119A	Flaw detection	Expired / Lapsed	1933-06-30	1936-12-22	0	Details
US2065118A	Method and apparatus for testing metals for defects	Expired / Lapsed	1932-08-13	1936-12-22	0	Details
US1749428A	Method and means for forming hollow articles	Expired / Lapsed	1926-05-27	1930-03-04	0	Details