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US Patent: 1,938,330
Suction Nozzle for Valve-Seat Grinders
Patentee:
Ernest A. Hall (exact or similar names) - Toledo, Lucas County, OH

USPTO Classifications:
144/354, 144/371, 52/578

Tool Categories:
specialty machines : valve reseating machines
trade specific : vehicle repairer : vehicle mechanic : valve and seat maintenance

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

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

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 10, 1933
Granted: Dec. 05, 1933

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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