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US Patent: 67,953
Centrifugal Sugar Machine
Improved Centrifugal Machine or Hydro-Extractor
Patentee:
Edwin C. Cleveland - Worcester, MA

USPTO Classifications:
384/195

Tool Categories:
specialty machines : sugar refining apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. W. Rice
C. E. Phelps
Theodore Tusche
William Trewin

Patent Dates:
Granted: Aug. 20, 1867

Patent Pictures:
USPTO pdf tiff
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Description:
Munn & Co.- patent attorneys

This patent is of interst because E. C. Cleveland was the "& Co." in the firm of Thayer, Houghton & Co., where Cleveland made machinist's tools. Cleveland (and the firm he was partner in) are almost completely forgotten now.

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