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US Patent: 224,401
Ten-Foot Extension Rule
Patentee:
William J. Derickson - Clayton, CA

USPTO Classifications:
33/809

Tool Categories:
rules : folding rules

Assignees:
William J. Derickson - Clayton, CA
Lars P. Christiansen - Clayton, CA

Manufacturer:
Unknown

Witnesses:
Frank A. Brooke
S. H. Nourse
George H. Strong

Patent Dates:
Applied: Aug. 08, 1879
Granted: Feb. 10, 1880

Patent Pictures: [ 1 | 2 ]
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Martin J. Donnelly Antique Tools
Description:
Dewey & Co. - patent attorneys

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