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US Patent: 1,739,826
Electric Low Speed Unit
Patentee:
Otto Cullman - Chicago, Cook County, IL

USPTO Classifications:
74/397

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

Assignees:
None

Manufacturer:
Cullman Wheel Co. - Chicago, Cook County, IL

Witnesses:
none listed

Patent Dates:
Applied: Jan. 21, 1928
Granted: Dec. 17, 1929

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Cullman Wheel Co.
Description:
Charles Turner Brown, patent attorney.

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