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US Patent: 510,994
Extensible Measuring Stick
Patentee:
Theodore Schafer - Maroa, Macon County, IL

USPTO Classifications:
33/8

Tool Categories:
layout tools : special purpose gauges
rules : measuring rods

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William M. Rold
I. D. Walker
Helen Graham
William Graham

Patent Dates:
Applied: Aug. 07, 1893
Granted: Dec. 19, 1893

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
L. P. Graham - patent attorney

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