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US Patent: 1,347,722
Nut-lock
Patentee:
Edwin E. Thomas - Portland, OR

USPTO Classifications:
411/265, 411/935

Tool Categories:
hardware : nut locks

Assignees:
Thomas Engineering Works - Portland, OR

Manufacturer:
Not known to have been produced

Witnesses:
S. F. Wilson
Hazel M. Burns

Patent Dates:
Applied: Dec. 21, 1918
Granted: Jul. 27, 1920

Patent Pictures:
USPTO pdf tiff
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Description:
The inventor had been a prolific designer of sawmill machinery.

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