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US Patent: 1,309,388
Process of manufacturing the bearings of gun-boring machines
Patentee: Lucien I. Yeomans (exact or similar names) - Chicago, IL USPTO Classifications: 29/898.07, 384/295 Tool Categories: metalworking machines : drilling and boring : horizontal boring mills Assignees: Amalgamated Machinery Corp. - Chicago, IL Manufacturer: Amalgamated Machinery Corp. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Jun. 27, 1918 Granted: Jul. 08, 1919 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Amalgamated Machinery Corp.

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