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US Patent: 1,440,824
Micrometer Caliper
Patentee:
John H. Fulmer - Buffalo, NY

USPTO Classifications:
116/DIG.47, 33/818

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jun. 21, 1920
Granted: Jan. 02, 1923

Patent Pictures:
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