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US Patent: 220,215
Pulley Fastener
Patentee:
Edward W. Blackhall (exact or similar names) - Toronto, York County, ON, Canada

USPTO Classifications:
403/351

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms

Assignees:
Charles V. Kasson - Buffalo, Erie County, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 24, 1879
Granted: Oct. 07, 1879

Patent Pictures:
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