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US Patent: 714,769
Carbon Holder for Dynamo Electric Machines
Patentees: William Zabel (exact or similar names) - Edgewood Park, Allegheny County, PA Bruno Zabel (exact or similar names) - Edgewood Park, Allegheny County, PA Charles Zabel (exact or similar names) - Edgewood Park, Allegheny County, PA USPTO Classifications: 310/244 Tool Categories: electrical devices : electric motors : motor brush holders Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 28, 1901 Granted: Dec. 02, 1902 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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