Invention Grant
- Patent Title: Mop wringer
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Application No.: US32796528Application Date: 1928-12-22
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Publication No.: US1796754APublication Date: 1931-03-17
- Inventor: GREENSTREET OLIVER P
- Applicant: GREENSTREET OLIVER P
- Assignee: Oliver P Greenstreet
- Current Assignee: Oliver P Greenstreet
- Priority: US32796528 1928-12-22
- Main IPC: A47L13/60
- IPC: A47L13/60
Information query
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