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US Patent: 816,089
Speed Meter
Patentee:
Russell W. Hargrave (exact or similar names) - Ann Arbor, Washtensaw County, MI

USPTO Classifications:
73/524

Tool Categories:
specialty tools : wheel-based measurers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 22, 1905
Granted: Mar. 27, 1906

Patent Pictures:
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