Invention Grant
- Patent Title: In-alpha-door bathroom
- Patent Title (中): 在-al门卫生间
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Application No.: US46484330Application Date: 1930-06-30
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Publication No.: US1859859APublication Date: 1932-05-24
- Inventor: ZOOK DAVID F
- Applicant: ZOOK DAVID F
- Assignee: David F Zook
- Current Assignee: David F Zook
- Priority: US46484330 1930-06-30
- Main IPC: A47K3/28
- IPC: A47K3/28 ; E03C1/01
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