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US Patent: 532,658
Folding Ruler
Patentee:
George Curtis Gillespie - Bath Beach, NY

USPTO Classifications:
33/458, 33/495, 403/113

Tool Categories:
rules : folding rules : folding rule joints

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. E. Humphrey
A. P. Moroney

Patent Dates:
Applied: Nov. 28, 1893
Granted: Jan. 15, 1895

Patent Pictures:
USPTO pdf tiff
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Description:
All joints are made flush instead of having projecting knuckles on any sides while still folding the same way as conventional wooden folding rules.

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