Smith Welding Equipment Corp

Smith Weld

Active Patents

Total Holdings

Patent Holdings

Patent No.	Title	Status	Filing Date	Grant Date	Actions
US2770232A	Respirator system	Expired / Lapsed	1954-05-26	1956-11-13	Details
US2254757A	Process of making torch tips	Expired / Lapsed	1939-07-03	1941-09-02	Details
US1976098A	Air pump	Expired / Lapsed	1933-07-27	1934-10-09	Details