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US Patent: 667,406
Variable Speed Gearing
Patentee:
William L. Schellenbach (exact or similar names) - Cincinnati, OH

USPTO Classifications:
74/356

Tool Categories:
industrial machines : industrial machine mechanisms : industrial machine gearing
metalworking machines : metal lathes

Assignees:
National Machine Tool Co. (Cincinnati) - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Edward L. Alexander
Viola T. George
Oliver B. Kaiser

Patent Dates:
Applied: Mar. 19, 1900
Granted: Feb. 05, 1901

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for National Machine Tool Co. (Cincinnati)

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