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US Patent: 102,779
Improved friction-roller bearing
Patentee:
Charles M. Daboll (exact or similar names) - New London, CT

USPTO Classifications:
384/578

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. H. Eddy
S. N. Piper

Patent Dates:
Granted: May 10, 1870

Patent Pictures:
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