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US Patent: 1,139,936
Universal Test Indicator
Patentee:
Joseph N. Warner - Detroit, MI

USPTO Classifications:
33/556

Tool Categories:
metalworking tools : machinist tools : measuring tools : test indicators

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. H. Perrault
M. E. Boesamle
A. W. Davis

Patent Dates:
Applied: Dec. 28, 1912
Granted: May 18, 1915

Patent Pictures:
USPTO pdf tiff
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Description:
E. S. Wheeler - patent attorney

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