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US Patent: 813,324
Dynamometer
Patentees:
Hamilton Ruddick, deceased (Estate of) - Brooklyn, Kings County, NY
Walter H. Ruddick, Administrator - New York, NY

USPTO Classifications:
73/862.27

Tool Categories:
specialty machines : dynamometers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 06, 1905
Granted: Feb. 20, 1906

Patent Pictures:
USPTO pdf tiff
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