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US Patent: 2,855,686
Measuring rod locking means for depth gauge micrometers
Patentee:
Charles Zelnick - Saginaw, MI

USPTO Classifications:
33/544

Tool Categories:
layout tools : measurement gauges : depth gauges

Assignees:
Lufkin Rule Company - Saginaw, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 24, 1953
Granted: Oct. 14, 1958

Patent Pictures:
USPTO pdf tiff
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