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US Patent: 555,116
Automatic Valve Milling Machine
Patentees:
John G. Oliver (exact or similar names) - Cleveland, OH
George C. Bardons (exact or similar names) - Cleveland, OH

USPTO Classifications:
409/164, 409/171, 409/226

Tool Categories:
metalworking machines : milling machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 22, 1894
Granted: Feb. 25, 1896

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Bardons & Oliver

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