Invention Grant
- Patent Title: Suction operated floor tool
- Patent Title (中): 吸入式地板工具
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Application No.: US80191059Application Date: 1959-03-25
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Publication No.: US3213481APublication Date: 1965-10-26
- Inventor: PEARL MINERLEY
- Applicant: REGINA CORP
- Assignee: Regina Corp
- Current Assignee: Regina Corp
- Priority: US80191059 1959-03-25
- Main IPC: A47L11/30
- IPC: A47L11/30
Information query
