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US Patent: 1,382,720
Flexible shaft-coupling
Patentees:
Austin A. Riddell (exact or similar names) - Jackson, MI
William R. Fox (exact or similar names) - Jackson, MI

USPTO Classifications:
464/134, 464/136

Tool Categories:

Assignees:
William R. Fox - Jackson, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 10, 1919
Granted: Jun. 28, 1921

Patent Pictures:
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