Invention Grant
- Patent Title: Catalyst purging
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Application No.: US29477539Application Date: 1939-09-13
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Publication No.: US2259485APublication Date: 1941-10-21
- Inventor: PLUMMER WILLIAM B
- Applicant: STANDARD OIL CO
- Assignee: Standard Oil Co
- Current Assignee: Standard Oil Co
- Priority: US29477539 1939-09-13
- Main IPC: B01J38/12
- IPC: B01J38/12
Public/Granted literature
- USD727756S1 Handset Public/Granted day:2015-04-28
Information query
