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US Patent: 550,675
Gas or Vapor Engine
Patentee:
Oliver Colborne (exact or similar names) - Chicago, IL

USPTO Classifications:
123/347, 123/41.66, 123/89

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 27, 1894
Granted: Dec. 03, 1895

Patent Pictures:
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Google Patents
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