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US Patent: 17,606
Machine for Graduating Lineal Measures Joint-Rule Graduating Machine
Patentee: Samuel C. Hubbard (exact or similar names) - Middletown, CT USPTO Classifications: 101/5, 33/32.5 Tool Categories: tool making : making rules rules : folding rules rules : rule graduations Assignees: Charles C. Hubbard - Middletown, CT Manufacturer: Not known to have been produced Witnesses: Charles W. Galpin Isaac Hull	Patent Dates: Granted: Jun. 16, 1857 Patent Pictures: [ 1 | 2 | 3 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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