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US Patent: 1,672,491
Combined Rectangular Gauge and Calipers
Patentee:
Frank Horak (exact or similar names) - Valparaiso, IN

USPTO Classifications:
33/812

Tool Categories:
layout tools : measurement gauges

Assignees:
Frank Horak - Valparaiso, IN
Max Hirsch - Valparaiso, IN

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Aug. 19, 1921
Granted: Jun. 05, 1928

Patent Pictures:
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Description:
N. S. Awstutz - patent attorney

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