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US Patent: 433,304
Flexible Coupling
Patentee:
Albert D. Pentz (exact or similar names) - Elizabeth, Union County, NJ

USPTO Classifications:
464/151

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 04, 1890
Granted: Jul. 29, 1890

Patent Pictures:
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