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US Patent: 86,266
Improved shaft-coupling
Patentee:
Everett L. Abbott - Boston, MA

USPTO Classifications:
403/312

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine shaft couplings

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Byron Rose
John L. Hayes

Patent Dates:
Granted: Jan. 26, 1869

Patent Pictures:
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Description:
Of interest because the inventor was also co-inventor on a sawblade grinder patent, 89,724.

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