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US Patent: 422,954
Furnace-grate
Patentee: Frederick D. Livermore (exact or similar names) - Rochester, MN USPTO Classifications: 126/176R Tool Categories: household : furnaces Assignees: None Manufacturer: Rochester Iron Works - Rochester, MN Witnesses: E. N. Hopkins W. Logan Brackenridge	Patent Dates: Applied: Oct. 07, 1889 Granted: Mar. 11, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Rochester Iron Works

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