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US Patent: 937,978
Test Indicator
Patentee:
Perrcey G. Wheeler - Orange, MA

USPTO Classifications:
33/642

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. H. Stewart
R. U. Elliott
E. L. Bowers
Edward C. Buell

Patent Dates:
Applied: Jan. 07, 1909
Granted: Oct. 26, 1909

Patent Pictures:
USPTO pdf tiff
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Description:
C. A. Knowles - patent attorney

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