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OHIO CHEMICAL AND MANUFACTURING Co

OHIO CHEMI

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2185997A	Means for supplying to individual persons an oxygenated gas…	Expired / Lapsed	1937-11-22	1940-01-09	0	Details
US2136245A	Ether vaporizer	Expired / Lapsed	1935-08-23	1938-11-08	0	Details
US2136244A	Absorber and rebreathing mechanism for anesthetizing machin…	Expired / Lapsed	1935-08-23	1938-11-08	0	Details
US2121196A	Anesthetizing apparatus	Expired / Lapsed	1934-07-18	1938-06-21	0	Details
US2075408A	Transfer of liquefied gas	Expired / Lapsed	1935-09-17	1937-03-30	0	Details