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US Patent: 1,723,160
Supporting Standard for Cylinder Hones
Patentee:
Ernest A. Hall (exact or similar names) - Toledo, Lucas County, OH

USPTO Classifications:
215/329

Tool Categories:
metalworking tools : honing tools
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: Aug. 20, 1928
Granted: Aug. 06, 1929

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Hall Manufacturing Co.

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