Invention Grant
- Patent Title: Fireproof door.
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Application No.: US1908431448Application Date: 1908-05-07
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Publication No.: US894373APublication Date: 1908-07-28
- Inventor: EBNER PETER
- Applicant: EBNER PETER
- Assignee: Peter Ebner
- Current Assignee: Peter Ebner
- Priority: US1908431448 1908-05-07
Information query
