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J O ROSS ENGINEERING Corp

J O ROSS E

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2391195A	Drier	Expired / Lapsed	1943-03-16	1945-12-18	0	Details
US2175579A	Heat insulating wall	Expired / Lapsed	1937-05-21	1939-10-10	0	Details
US2094734A	Cooling system for processed sheets after coating, drying, …	Expired / Lapsed	1935-10-25	1937-10-05	0	Details
US1971766A	Baking oven	Expired / Lapsed	1933-03-22	1934-08-28	0	Details