US Patent: 683,003 - Variable-speed mechanism


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US Patent: 683,003

Variable-speed mechanism

Patentee:

William L. Schellenbach (exact or similar names) - Cincinnati, OH

USPTO Classifications:

Tool Categories:

industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms

Assignees:

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

Manufacturer:

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

Witnesses:

Oliver B. Kaiser

Pearl McMichael

Patent Dates:
Applied:	Apr. 17, 1901
Granted:	Sep. 17, 1901

Patent Pictures:

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