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US Patent: 89,239
Improved furnace for liberating and using the gaseous products of coal
Patentee:
Treat T. Prosser - Chicago, IL

USPTO Classifications:
48/76

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
D. P. Holloway
Edmond F. Brown

Patent Dates:
Granted: Apr. 20, 1869

Patent Pictures:
USPTO pdf tiff
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