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US Patent: 1,269,932
Combination Inside and Outside Micrometer Calipers
Patentee:
Alfred G. O. Hix (exact or similar names) - Los Angeles, CA

USPTO Classifications:
33/830

Tool Categories:
metalworking tools : machinist tools : measuring tools : micrometers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Jul. 12, 1917
Granted: Jun. 18, 1918

Patent Pictures:
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Graham & Harris - patent attorneys

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