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US Patent: 289,556
Device for Grinding and Grooving Mill Rollers
Patentee:
Ernest Rein (exact or similar names) - Milwaukee, WI

USPTO Classifications:
29/30, 409/305, 451/142, 74/322

Tool Categories:
metalworking machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 20, 1881
Granted: Dec. 04, 1883

Patent Pictures:
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