← Back to Companies

E & J Manufacturing Co

E & J Manu

Active Patents

0

Total Holdings

5

Patent Holdings

Filter in Explorer →

Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2737178A	Breathing machine	Expired / Lapsed	1952-12-15	1956-03-06	0	Details
US2737176A	Breathing machine	Expired / Lapsed	1951-03-31	1956-03-06	0	Details
US2614561A	Absorber for anesthetic gas machines	Expired / Lapsed	1950-03-15	1952-10-21	0	Details
US2582210A	Apparatus for positive respiration during gas anesthesia	Expired / Lapsed	1949-07-05	1952-01-08	0	Details
US2575513A	Detachable aspirator	Expired / Lapsed	1948-09-10	1951-11-20	0	Details