Invention Grant
- Patent Title: Draft-rigging.
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Application No.: US1910562796Application Date: 1910-05-23
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Publication No.: US1044346APublication Date: 1912-11-12
- Inventor: BYERS JACOB J
- Applicant: NAT MALLEABLE CASTINGS CO
- Assignee: Nat Malleable Castings Co
- Current Assignee: Nat Malleable Castings Co
- Priority: US1910562796 1910-05-23
Information query
