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US Patent: 591,447
Engine Governor
Patentees:
Frank H. Ball (exact or similar names) - Plainfield, Union County, NJ
Bert C. Ball (exact or similar names) - Plainfield, Union County, NJ

USPTO Classifications:
137/48, 73/511

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

Assignees:
None

Manufacturer:
Ball Engine Co. - Erie, Erie County, PA

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 07, 1896
Granted: Oct. 12, 1897

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

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