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US Patent: 764,115
Speed Changer
Patentee:
Adolph L. De Leeuw (exact or similar names) - Hamilton, Butler County, OH

USPTO Classifications:
476/58, 476/8

Tool Categories:
metalworking machines : metalworking machine mechanisms : metalworking machine gearing : metalworking speed changing mechanisms

Assignees:
Niles Tool Works - Hamilton, Butler County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 28, 1904
Granted: Jul. 05, 1904

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Niles Tool Works

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