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US Patent: 2,580,445
Depth of Groove Gauge
Patentee:
John Longworth (exact or similar names) - Haddon Heights, NJ

USPTO Classifications:
33/836

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Feb. 24, 1948
Granted: Jan. 01, 1952

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
G. J. Kessenich & J. H. Church - patent attorneys

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