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US Patent: 816,128
Variable Speed Driving Mechanism
Patentee:
William Lorraine Schellenbach (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
74/358, 74/483R

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine speed and direction changing mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 31, 1903
Granted: Mar. 27, 1906

Patent Pictures:
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