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US Patent: 1,918,642
Cylinder Reamer
Patentee:
Ernest A. Hall (exact or similar names) - Toledo, Lucas County, OH

USPTO Classifications:
222/179.5, 222/189.11, 222/390, 401/131, 401/172

Tool Categories:
metalworking machines : drilling and boring : drill bits : reamers
trade specific : vehicle repairer : vehicle mechanic : cylinder maintenance

Assignees:
Hall Manufacturing Co. - Toledo, Lucas County, OH

Manufacturer:
Hall Manufacturing Co. - Toledo, Lucas County, OH

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 25, 1932
Granted: Jul. 18, 1933

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Hall Manufacturing Co.

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