Union Steel Products Co

Union Stee

Active Patents

Total Holdings

Patent Holdings

Patent No.	Title	Status	Filing Date	Grant Date	Actions
US2170637A	Insulating wall panel	Expired / Lapsed	1938-02-24	1939-08-22	Details
US1946532A	Rack for refrigerators, ovens, and the like	Expired / Lapsed	1932-01-11	1934-02-13	Details
US1802600A	Panel for doors and the like	Expired / Lapsed	1930-03-17	1931-04-28	Details