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US Patent: 318,289
Safety Attachment for Steam Engine Governors
Patentee: Thomas R. Pickering (exact or similar names) - Portland, Middlesex County, CT USPTO Classifications: 137/52 Tool Categories: propulsion and energy : steam engines : steam engine governors Assignees: None Manufacturer: Pickering Governor Co. - Portland, Middlesex County, CT Witnesses: H. Dudley Coleman P. C. Clark J. H. Shumway Joseph C. Earle	Patent Dates: Applied: Mar. 30, 1885 Granted: May 19, 1885 Patent Pictures: [ 1 | 2 | 3 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pickering Governor Co.

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