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US Patent: 2,215,259
Strain Gauge
Patentees:
Chester W. E. Witter (exact or similar names) - Ridgewood, Bergen County, NJ
James G. Sisson (exact or similar names) - Athol, Worcester County, MA

USPTO Classifications:
33/501.4

Tool Categories:
metalworking tools : machinist tools : measuring tools : strain gages

Assignees:
L. S. Starrett Co. - Athol, Worcester County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 25, 1939
Granted: Sep. 17, 1940

Patent Pictures:
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"Vintage Machinery" entry for L. S. Starrett Co.
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The Starrett Story
History of the L. S. Starrett Co.

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