Invention Grant
- Patent Title: Retort
-
Application No.: US24489838Application Date: 1938-12-10
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Publication No.: US2218806APublication Date: 1940-10-22
- Inventor: BETTERTON JESSE O , PERKINS MELVILLE F
- Applicant: AMERICAN SMELTING REFINING
- Assignee: American Smelting Refining
- Current Assignee: American Smelting Refining
- Priority: US24489838 1938-12-10
- Main IPC: C22B19/06
- IPC: C22B19/06 ; C22B19/16 ; F27B5/04
Information query
