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US Patent: 2,556,761
Combined Micrometer Caliper and Dial Gauge
Patentee:
Cecil R. Keene (exact or similar names) - St. Louis, MO

USPTO Classifications:
33/501.4, 33/813

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jun. 11, 1947
Granted: Jun. 12, 1951

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
Description:
Frederick J. Larson - patent attorney

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