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US Patent: 489X
Boilers and working stills with same
Improvement in boilers, also working stills with the same
Patentee:
William Thornton - Washington, DC

USPTO Classifications:

Tool Categories:
propulsion and energy : steam apparatus : stationary boilers
propulsion and energy : steam apparatus : steam stills

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Oct. 28, 1803

Patent Pictures:
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Description:
Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. There are no patent drawings available. This patent is in the database for reference only.

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