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US Patent: 1,350,545
Combined Nut and Washer
Patentee:
Walter Herbert Cook (exact or similar names) - London, England

USPTO Classifications:
411/260, 411/929.2, 411/941, 470/49

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Samuel Evans
Victor F. Feeny
Patent Dates:
Applied: Apr. 23, 1919
Granted: Aug. 24, 1920

Patent Pictures:
Walter H. Cook patent August 24, 1920
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Description:
Walter H. Cook had an extensive series of patents for lock washer and nuts designed to resist loosening by vibration.

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