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US Patent: 2,470,498
Device for Measuring the Thickness of Walls or the Like, Subject to Erosion
Patentee:
Howard Y. Lankford (exact or similar names) - Gary, IN

USPTO Classifications:
33/559, 73/86

Tool Categories:
layout tools : special purpose gauges

Assignees:
Carnegie-Illinois Steel Corp. - Unknown, IL

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Oct. 21, 1946
Granted: May 17, 1949

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
Description:
Donald G. Dalton - patent attorney

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