Invention Grant
- Patent Title: Door-check.
- Patent Title (中): 门检
-
Application No.: US1899703775Application Date: 1899-01-30
-
Publication No.: US634596APublication Date: 1899-10-10
- Inventor: WARNER GEORGE W
- Applicant: WARNER GEORGE W
- Assignee: George W Warner
- Current Assignee: George W Warner
- Priority: US1899703775 1899-01-30
Information query
