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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:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Amalgamated Machinery Corp.

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