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US Patent: 972,196
Micrometer
Patentee:
Charles E. Johnson (exact or similar names) - Muskegon, Muskegon County, MI

USPTO Classifications:
33/805, 451/8

Tool Categories:
metalworking tools : machinist tools : measuring tools : indicating calipers

Assignees:
Muskegon Motor Specialties Co. - Muskegon, Muskegon County, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 09, 1910
Granted: Oct. 11, 1910

Patent Pictures:
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