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US Patent: 548,824
Petroleum or Gas Motor
Patentee:
Henning Friedrich Wallmann (exact or similar names) - Chicago, IL

USPTO Classifications:
123/274, 123/290, 123/65V, 123/68, 123/70R

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Oct. 28, 1889
Granted: Oct. 29, 1895

Patent Pictures:
USPTO (New site tip)
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