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US Patent: 1,570,831
Measuring Device
Patentees:
Bengt M. W. Hanson, deceased (Estate of) (exact or similar names) - Hartford, Hartford County, CT
Einar A. Hanson, Executor (exact or similar names) - Hartford, Hartford County, CT
Clarence E. Whitney, Executor (exact or similar names) - Hartford, Hartford County, CT

USPTO Classifications:
33/520, 33/818

Tool Categories:
metalworking tools : machinist tools : measuring tools : micrometer attachments

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 21, 1923
Granted: Jan. 26, 1926

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens

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