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US Patent: 415,908
Petroleum Motor Engine
Patentee:
Karl Gramm (exact or similar names) - Berlin, Prussia, Germany

USPTO Classifications:
123/252

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 25, 1889
Granted: Nov. 26, 1889

Patent Pictures:
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