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US Patent: 856,056
Engine Governor
Patentee:
Stephen S. Hall (exact or similar names) - Portland, Middlesex County, CT

USPTO Classifications:
73/543

Tool Categories:
propulsion and energy : steam engines : steam engine governors

Assignees:
Pickering Governor Co. - Portland, Middlesex County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 11, 1907
Granted: Jun. 04, 1907

Patent Pictures:
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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