Invention Grant
- Patent Title: Vacuum cleaner attachment
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Application No.: US7980236Application Date: 1936-05-14
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Publication No.: US2214725APublication Date: 1940-09-10
- Inventor: ROSS OSCAR A
- Applicant: ROSS OSCAR A
- Assignee: Oscar A Ross
- Current Assignee: Oscar A Ross
- Priority: US7980236 1936-05-14
- Main IPC: A47L9/02
- IPC: A47L9/02 ; A47L9/24
Information query
