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US Patent: 452,520
Explosive Engine
Patentee:
August Harding (exact or similar names) - Oakland, Alameda County, CA

USPTO Classifications:
123/153, 123/163, 123/348, 123/88

Tool Categories:
propulsion and energy : internal combustion engines : ignition systems

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 10, 1890
Granted: May 19, 1891

Patent Pictures:
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