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US Patent: 42,012
Paper-Ruler
Patentee:
David Munson (exact or similar names) - Indianapolis, IN

USPTO Classifications:
33/485

Tool Categories:
rules

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
I. Hodgson
O. F. Mayhew
Patent Dates:
Granted: Mar. 22, 1864

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This is a simple ruler of stamped sheet metal, with a roller to allow it to mark parallel lines or be used as a straightedge for tearing strips.

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