Invention Grant
- Patent Title: Door-hanger.
- Patent Title (中): 门禁机
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Application No.: US1899738805Application Date: 1899-12-01
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Publication No.: US655978APublication Date: 1900-08-14
- Inventor: LANE WILLIAM JAMES
- Applicant: LANE BROTHERS COMPANY
- Assignee: Lane Brothers Company
- Current Assignee: Lane Brothers Company
- Priority: US1899738805 1899-12-01
Information query
