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US Patent: 539,244
Power Meter
Patentee:
Edward L. Abbott (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
346/14R, 346/30, 346/4, 73/113.01

Tool Categories:
propulsion and energy : steam engines : steam engine power meters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 23, 1894
Granted: May 14, 1895

Patent Pictures:
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