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US Patent: 532,865
Vapor Engine
Patentee:
Allen W. Brown (exact or similar names) - St. Louis, MO

USPTO Classifications:
123/146, 123/182.1, 123/41R, 123/65VC, 123/73R, 73/546

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 22, 1893
Granted: Jan. 22, 1895

Patent Pictures:
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