Invention Grant
- Patent Title: Floor-support for buildings.
- Patent Title (中): 楼宇支持。
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Application No.: US1905278568Application Date: 1905-09-15
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Publication No.: US823558APublication Date: 1906-06-19
- Inventor: SPERRY EVELYN P
- Applicant: SPERRY EVELYN P
- Assignee: Evelyn P Sperry
- Current Assignee: Evelyn P Sperry
- Priority: US1905278568 1905-09-15
Information query
