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US Patent: 553,181
Sparker for Gas and Gasoline Engines
Patentee:
Frank M. Underwood (exact or similar names) - Upper Sanduskky, Wyandot County, OH

USPTO Classifications:
123/153

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 14, 1895
Granted: Jan. 14, 1896

Patent Pictures:
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