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US Patent: 6,213X
Washing Gold
Machine for washing gold ores and alluvial soils
Patentees:
William Davis (exact or similar names) - London, England
Charles Harsleben (exact or similar names) - London, England
Vincent DeRivafinoli (exact or similar names) - London, England

USPTO Classifications:

Tool Categories:
specialty machines : ore processing apparatus

Assignees:
None

Manufacturer:
J. Thompson, Jr. - Geelong, Australia

Witnesses:
Unknown

Patent Dates:
Granted: Nov. 01, 1830

Patent Pictures:
Geelong (Australia) Advertiser, 13 Sept, 1851
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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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