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US Patent: 692,886
Grinding or Crushng Head
Patentee:
Volney W. Mason, Jr. (exact or similar names) - New York, NY

USPTO Classifications:
241/294

Tool Categories:
industrial machines : industrial machine mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 29, 1901
Granted: Feb. 11, 1902

Patent Pictures:
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