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US Patent: 1,776,633
Interlocking Control Mechanism
Patentees:
William L. Libby (exact or similar names) - Cleveland, OH
Edwin Huge (exact or similar names) - Cleveland, OH

USPTO Classifications:
74/375, 74/483R

Tool Categories:
metalworking machines : machine tool controls

Assignees:
John G. Oliver - Cleveland, OH
Bardons and Oliver - Cleveland, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 06, 1929
Granted: Sep. 23, 1930

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Bardons & Oliver

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