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Patent number:
Patent Date:
US Patent: 1,251,809
Adjustable Triangle & Gear Tooth Plotter
Patentee:
John Nash
- Dryden, OR
USPTO Classifications:
33/499
Tool Categories:
layout tools
:
special purpose gauges
layout tools
:
squares
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
J. R. Tomlin
R. L. Parker
J. H. Thomas
William Auslund
Patent Dates:
Applied:
Mar. 01, 1917
Granted:
Jan. 01, 1918
Patent Pictures:
USPTO
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