US Patent: X1,602 - Machine for separating the oxidated from the metallic lead in the process of manufacturing red lead and of the manner of using the machine


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US Patent: 1,602X

Separating oxidated white lead from the metallic lead
Machine for separating the oxidated from the metallic lead in the process of manufacturing red lead and of the manner of using the machine

Patentee:

Samuel Witherill, Jr. (exact or similar names) - Philadelphia, PA

USPTO Classifications:

Tool Categories:

manufacturing : manufacturing processes : manufacturing potash

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Granted:	Nov. 01, 1811

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.