Invention Grant
- Patent Title: Casement-window.
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Application No.: US1906332067Application Date: 1906-08-25
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Publication No.: US888545APublication Date: 1908-05-26
- Inventor: SPERRY EVELYN P
- Applicant: SPERRY EVELYN P
- Assignee: Evelyn P Sperry
- Current Assignee: Evelyn P Sperry
- Priority: US1906332067 1906-08-25
Information query
