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US Patent: 1,825,986
Hydraulic column clamp
Patentee:
Larkin R. Williamson (exact or similar names) - Cincinnati, OH

USPTO Classifications:
408/131, 408/236

Tool Categories:
metalworking machines : drilling and boring : drill presses
woodworking machines : wood drilling and boring : drill presses

Assignees:
Cincinnati Bickford Tool Co. - Cincinnati, OH

Manufacturer:
Cincinnati Bickford Tool Co. - Cincinnati, OH

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 16, 1927
Granted: Oct. 06, 1931

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Cincinnati Bickford Tool Co.

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