US Patent: 53,783 - Improvement in thread-tension devices for sewing-machines


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US Patent: 53,783

Improvement in thread-tension devices for sewing-machines

Patentees:

H. C. Goodrich (exact or similar names) - Rockford, IL

Thomas A. Chandler (exact or similar names) - Rockford, IL

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Granted:	Apr. 10, 1866

Patent Pictures:

Description: