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US Patent: 816,369
Speed Changing Device
Patentee:
Otto F. Persson (exact or similar names) - Lynn, Essex County, MA

USPTO Classifications:
476/31, 476/34

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine speed and direction changing mechanisms

Assignees:
General Electric Co. - Schenectady, Schenectady County, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 20, 1904
Granted: Mar. 27, 1906

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for General Electric Co.

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