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US Patent: 6,350
Mortising-machine Chain mortising machine
Patentee: John J. Weeks (exact or similar names) - Buckram, NY USPTO Classifications: 144/72 Tool Categories: woodworking machines : joint making machines : mortising machines woodworking machines : wood drilling and boring : mortising machines Assignees: None Manufacturer: Cobb, Mason & Hill - Jersey City, NJ Witnesses: Allen Maroxhurst William S. McCann	Patent Dates: Granted: Apr. 17, 1849 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Cobb, Mason & Hill
Description: An article in an 1853 issue of Scientific American shows this invention, which is the earliest chain mortising machine we have seen.

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