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US Patent: 1,516,387
Micrometer
Patentee:
Gustaf A. Kellerstedt (exact or similar names) - New Britain, CT

USPTO Classifications:
33/802

Tool Categories:
metalworking tools : machinist tools : measuring tools : micrometers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Benjamin Kahn
J. L. McAucliffe

Patent Dates:
Applied: Apr. 15, 1922
Granted: Nov. 18, 1924

Patent Pictures:
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Munn & Co.- patent attorneys

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