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US Patent: 1,968,331
Calipers
Patentee:
Byron Bartell Wittfoht (exact or similar names) - Bartonville, IL

USPTO Classifications:
33/800, 33/801

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Nov. 02, 1931
Granted: Jul. 31, 1934

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
Clarence A. O'Brien - patent attorney

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