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US Patent: 1,696,615
Electromagnet
Patentee: Penfilo Trombetta (exact or similar names) - Schenectady, NY USPTO Classifications: 335/245, 335/251, 335/262, 336/185, 336/197 Tool Categories: electrical devices : electric motors : motor controls electrical devices : magnetic coils Assignees: General Electric Co. - Schenectady, NY Manufacturer: General Electric Co. - Schenectady, NY Witnesses: Unknown	Patent Dates: Applied: May 09, 1927 Granted: Dec. 25, 1928 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for General Electric Co.
Description: This patent number was seen on a GE magnetic switch, CR7006-D40H. Also listed were patent numbers 1,742,109, 1,839,095, 1,842,958, and 1,854,007.

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