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US Patent: 1,751,078
Tool Holder
Patentee:
Irvin Drowns (exact or similar names) - Canton, Stark County, OH

USPTO Classifications:
29/57, 82/157

Tool Categories:
metalworking machines : metalworking machine tool holders
metalworking machines : screw machines

Assignees:
Timken Roller Bearing Co. - Canton, Stark County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 23, 1928
Granted: Mar. 18, 1930

Patent Pictures:
USPTO (New site tip)
Google Patents
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