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US Patent: 1,257,483
Measuring Indicator or Gauge
Patentees:
Arthur Hart (exact or similar names) - Luton, England
Karl Johan Almfelt (exact or similar names) - Luton, England

USPTO Classifications:
33/501.4, 33/542.1

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Apr. 18, 1916
Granted: Feb. 26, 1918

Patent Pictures:
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