Invention Grant
- Patent Title: Door-strike.
- Patent Title (中): DOOR-STRIKE。
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Application No.: US1909526892Application Date: 1909-11-08
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Publication No.: US944310APublication Date: 1909-12-28
- Inventor: BOMMER EMIL
- Applicant: BOMMER EMIL
- Assignee: Emil Bommer
- Current Assignee: Emil Bommer
- Priority: US1909526892 1909-11-08
Information query
