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US Patent: 1,221,668
Measuring Instrument
Patentee:
Earl Brunton (exact or similar names) - St. Louis, MO

USPTO Classifications:
116/316, 33/808

Tool Categories:
metalworking tools : machinist tools : measuring tools : indicating calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 25, 1916
Granted: Apr. 03, 1917

Patent Pictures:
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