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US Patent: 581,826
Fluid Pressure Engine
Patentee:
Walter H. Knight (exact or similar names) - New Brighton, Richmond County, NY

USPTO Classifications:
60/664, 60/682

Tool Categories:
propulsion and energy : external combustion engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 24, 1896
Granted: May 04, 1897

Patent Pictures:
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