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US Patent: 1,678,129
Tap changer
Patentee: George H. Tuttle (exact or similar names) - Warren, OH USPTO Classifications: 200/11.0EA, 200/11.0TC, 200/4 Tool Categories: electrical devices Assignees: Packard Electric Co. - Warren, OH Manufacturer: Packard Electric Co. - Warren, OH Witnesses: Unknown	Patent Dates: Applied: Apr. 13, 1927 Granted: Jul. 24, 1928 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Packard Electric Co.

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