Invention Grant
- Patent Title: Filter pack
- Patent Title (中): 过滤包
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Application No.: US77522347Application Date: 1947-09-20
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Publication No.: US2582272APublication Date: 1952-01-15
- Inventor: PAMP JR CLARENCE T
- Applicant: SPECIALTIES DEV CORP
- Assignee: Specialties Dev Corp
- Current Assignee: Specialties Dev Corp
- Priority: US77522347 1947-09-20; US5866148 1948-11-06
- Main IPC: B01D29/075
- IPC: B01D29/075 ; B01D33/067
Information query
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