Invention Grant
- Patent Title: Ventilating skylight
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Application No.: US68507424Application Date: 1924-01-09
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Publication No.: US1552893APublication Date: 1925-09-08
- Inventor: JOSEPH SYLVAN
- Applicant: AMERICAN 3 WAY LUXFER PRISM CO
- Assignee: American 3 Way Luxfer Prism Co
- Current Assignee: American 3 Way Luxfer Prism Co
- Priority: US68507424 1924-01-09
- Main IPC: E05F17/00
- IPC: E05F17/00
Information query
