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US Patent: 2,148,766
Track grinding machine
Patentee:
Arthur William Mall (exact or similar names) - Chicago, IL

USPTO Classifications:
451/347, 451/363, 451/451

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 17, 1937
Granted: Feb. 28, 1939

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Mall Tool Co.

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