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US Patent: 167,364
Indicator for Steam Engines
Patentee:
Joseph W. Thompson - Salem, Columbiana County, OH

USPTO Classifications:
346/5

Tool Categories:
propulsion and energy : steam apparatus : steam indicators

Assignees:
Joesph W. Thompson - Salem, Columbiana County, OH
Buckeye Engine Co. - Salem, Columbiana County, OH

Manufacturer:
American Steam Gauge Co. - Boston, MA

Witnesses:
Charles Boone
Peter Ambler
W. W. Hollingsworth
Amy W. Hart

Patent Dates:
Applied: Aug. 13, 1875
Granted: Aug. 31, 1875

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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"Vintage Machinery" entry for American Steam Gauge Co.

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