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US Patent: 329,830
Electric Signaling Apparatus for Machinery
Patentee: Milton W. Grovesteen (exact or similar names) - New York, NY USPTO Classifications: 142/1, 142/21, 33/558, 470/181, 470/96, 82/132, 82/134, 82/153 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 10, 1885 Granted: Nov. 03, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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