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US Patent: 252,872
Anti Frictional Bearing
Patentee:
Thomas R. Ferrall (exact or similar names) - Boston, Suffolk County, MA

USPTO Classifications:
384/551

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine bearings

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 03, 1881
Granted: Jan. 31, 1882

Reissue Information:
Reissued as RE10,455 (Mar. 04, 1884)

Patent Pictures:
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