Invention Grant
- Patent Title: Carpenter's level.
- Patent Title (中): CARPENTER的水平
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Application No.: US1912730476Application Date: 1912-11-09
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Publication No.: US1085342APublication Date: 1914-01-27
- Inventor: KALSOW FREDERICK W
- Applicant: KALSOW FREDERICK W
- Assignee: Frederick W Kalsow
- Current Assignee: Frederick W Kalsow
- Priority: US1912730476 1912-11-09
Information query
