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US Patent: 3,426,436
Projected Measuring Surface Gage Blocks
Patentee:
Ludwig F. Perwas (exact or similar names) - Orangeburg, NY

USPTO Classifications:
33/567

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Apr. 23, 1965
Granted: Feb. 11, 1969

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
Continuation in part of application of 18 Nov 1960.

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