Invention Grant
- Patent Title: Stair-tread.
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Application No.: US1909520502Application Date: 1909-10-01
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Publication No.: US954967APublication Date: 1910-04-12
- Inventor: JACOBS CHARLES B
- Applicant: MURRAY AND JACOBS MFG COMPANY
- Assignee: Murray And Jacobs Mfg Company
- Current Assignee: Murray And Jacobs Mfg Company
- Priority: US1909520502 1909-10-01
Information query
