Invention Grant
- Patent Title: Water filtering and cooling means
- Patent Title (中): 水过滤和冷却方式
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Application No.: US64157732Application Date: 1932-11-07
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Publication No.: US2022164APublication Date: 1935-11-26
- Inventor: SWEETLAND ERNEST J
- Applicant: SWEETLAND ERNEST J
- Assignee: Ernest J Sweetland
- Current Assignee: Ernest J Sweetland
- Priority: US64157732 1932-11-07
- Main IPC: B01D29/00
- IPC: B01D29/00 ; B01D35/18 ; B01D37/00
Information query
