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US Patent: 596,346
Micrometer Gage
Patentee:
Charles A. Wallgren (exact or similar names) - Brooklyn, NY

USPTO Classifications:
33/795

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. Vordfors
C. Gerst
L. R. Mahony
Patent Dates:
Applied: Apr. 24, 1897
Granted: Dec. 28, 1897

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